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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next

David S. Miller 13 years ago
parent
commit
16dc459cee

+ 11 - 25
drivers/net/ethernet/intel/e1000e/80003es2lan.c

@@ -470,9 +470,8 @@ static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
 		ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
 
 		if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
-			ret_val = -E1000_ERR_PHY;
 			e1000_release_phy_80003es2lan(hw);
-			return ret_val;
+			return -E1000_ERR_PHY;
 		}
 
 		udelay(200);
@@ -715,22 +714,19 @@ static s32 e1000_get_cable_length_80003es2lan(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, GG82563_PHY_DSP_DISTANCE, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	index = phy_data & GG82563_DSPD_CABLE_LENGTH;
 
-	if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5) {
-		ret_val = -E1000_ERR_PHY;
-		goto out;
-	}
+	if (index >= GG82563_CABLE_LENGTH_TABLE_SIZE - 5)
+		return -E1000_ERR_PHY;
 
 	phy->min_cable_length = e1000_gg82563_cable_length_table[index];
 	phy->max_cable_length = e1000_gg82563_cable_length_table[index + 5];
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -804,9 +800,7 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
 	ew32(IMC, 0xffffffff);
 	er32(ICR);
 
-	ret_val = e1000_check_alt_mac_addr_generic(hw);
-
-	return ret_val;
+	return e1000_check_alt_mac_addr_generic(hw);
 }
 
 /**
@@ -1147,9 +1141,7 @@ static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	ret_val = e1000e_setup_copper_link(hw);
-
-	return 0;
+	return e1000e_setup_copper_link(hw);
 }
 
 /**
@@ -1225,9 +1217,7 @@ static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex)
 	else
 		reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
 
-	ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
-
-	return 0;
+	return e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
 }
 
 /**
@@ -1269,9 +1259,8 @@ static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw)
 	} while ((reg_data != reg_data2) && (i < GG82563_MAX_KMRN_RETRY));
 
 	reg_data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
-	ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
 
-	return ret_val;
+	return e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, reg_data);
 }
 
 /**
@@ -1356,12 +1345,9 @@ static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000_check_alt_mac_addr_generic(hw);
 	if (ret_val)
-		goto out;
-
-	ret_val = e1000_read_mac_addr_generic(hw);
+		return ret_val;
 
-out:
-	return ret_val;
+	return e1000_read_mac_addr_generic(hw);
 }
 
 /**

+ 13 - 23
drivers/net/ethernet/intel/e1000e/82571.c

@@ -564,7 +564,6 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
 static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
 {
 	u32 extcnf_ctrl;
-	s32 ret_val = 0;
 	s32 i = 0;
 
 	extcnf_ctrl = er32(EXTCNF_CTRL);
@@ -586,12 +585,10 @@ static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
 		/* Release semaphores */
 		e1000_put_hw_semaphore_82573(hw);
 		e_dbg("Driver can't access the PHY\n");
-		ret_val = -E1000_ERR_PHY;
-		goto out;
+		return -E1000_ERR_PHY;
 	}
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -796,7 +793,7 @@ static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
 	 * otherwise, commit the checksum to the flash NVM.
 	 */
 	if (hw->nvm.type != e1000_nvm_flash_hw)
-		return ret_val;
+		return 0;
 
 	/* Check for pending operations. */
 	for (i = 0; i < E1000_FLASH_UPDATES; i++) {
@@ -1409,7 +1406,6 @@ bool e1000_check_phy_82574(struct e1000_hw *hw)
 {
 	u16 status_1kbt = 0;
 	u16 receive_errors = 0;
-	bool phy_hung = false;
 	s32 ret_val = 0;
 
 	/*
@@ -1417,19 +1413,18 @@ bool e1000_check_phy_82574(struct e1000_hw *hw)
 	 * read the Base1000T status register If both are max then PHY is hung.
 	 */
 	ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors);
-
 	if (ret_val)
-		goto out;
+		return false;
 	if (receive_errors == E1000_RECEIVE_ERROR_MAX)  {
 		ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt);
 		if (ret_val)
-			goto out;
+			return false;
 		if ((status_1kbt & E1000_IDLE_ERROR_COUNT_MASK) ==
 		    E1000_IDLE_ERROR_COUNT_MASK)
-			phy_hung = true;
+			return true;
 	}
-out:
-	return phy_hung;
+
+	return false;
 }
 
 /**
@@ -1497,9 +1492,7 @@ static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	ret_val = e1000e_setup_copper_link(hw);
-
-	return ret_val;
+	return e1000e_setup_copper_link(hw);
 }
 
 /**
@@ -1833,9 +1826,9 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
  **/
 static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
 {
-	s32 ret_val = 0;
-
 	if (hw->mac.type == e1000_82571) {
+		s32 ret_val = 0;
+
 		/*
 		 * If there's an alternate MAC address place it in RAR0
 		 * so that it will override the Si installed default perm
@@ -1843,13 +1836,10 @@ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
 		 */
 		ret_val = e1000_check_alt_mac_addr_generic(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
-	ret_val = e1000_read_mac_addr_generic(hw);
-
-out:
-	return ret_val;
+	return e1000_read_mac_addr_generic(hw);
 }
 
 /**

+ 96 - 124
drivers/net/ethernet/intel/e1000e/ich8lan.c

@@ -351,7 +351,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 		 */
 		ret_val = e1000e_phy_hw_reset_generic(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		/* Ungate automatic PHY configuration on non-managed 82579 */
 		if ((hw->mac.type == e1000_pch2lan) &&
@@ -366,7 +366,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 	default:
 		ret_val = e1000e_get_phy_id(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK))
 			break;
 		/* fall-through */
@@ -377,10 +377,10 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 		 */
 		ret_val = e1000_set_mdio_slow_mode_hv(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1000e_get_phy_id(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		break;
 	}
 	phy->type = e1000e_get_phy_type_from_id(phy->id);
@@ -406,7 +406,6 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 		break;
 	}
 
-out:
 	return ret_val;
 }
 
@@ -635,20 +634,18 @@ static s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
 	u16 phy_reg;
 
 	if (hw->phy.type != e1000_phy_82579)
-		goto out;
+		return 0;
 
 	ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (hw->dev_spec.ich8lan.eee_disable)
 		phy_reg &= ~I82579_LPI_CTRL_ENABLE_MASK;
 	else
 		phy_reg |= I82579_LPI_CTRL_ENABLE_MASK;
 
-	ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
-out:
-	return ret_val;
+	return e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
 }
 
 /**
@@ -672,10 +669,8 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	 * get_link_status flag is set upon receiving a Link Status
 	 * Change or Rx Sequence Error interrupt.
 	 */
-	if (!mac->get_link_status) {
-		ret_val = 0;
-		goto out;
-	}
+	if (!mac->get_link_status)
+		return 0;
 
 	/*
 	 * First we want to see if the MII Status Register reports
@@ -684,16 +679,16 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (hw->mac.type == e1000_pchlan) {
 		ret_val = e1000_k1_gig_workaround_hv(hw, link);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	if (!link)
-		goto out; /* No link detected */
+		return 0; /* No link detected */
 
 	mac->get_link_status = false;
 
@@ -701,13 +696,13 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	case e1000_pch2lan:
 		ret_val = e1000_k1_workaround_lv(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		/* fall-thru */
 	case e1000_pchlan:
 		if (hw->phy.type == e1000_phy_82578) {
 			ret_val = e1000_link_stall_workaround_hv(hw);
 			if (ret_val)
-				goto out;
+				return ret_val;
 		}
 
 		/*
@@ -737,16 +732,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	/* Enable/Disable EEE after link up */
 	ret_val = e1000_set_eee_pchlan(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/*
 	 * If we are forcing speed/duplex, then we simply return since
 	 * we have already determined whether we have link or not.
 	 */
-	if (!mac->autoneg) {
-		ret_val = -E1000_ERR_CONFIG;
-		goto out;
-	}
+	if (!mac->autoneg)
+		return -E1000_ERR_CONFIG;
 
 	/*
 	 * Auto-Neg is enabled.  Auto Speed Detection takes care
@@ -765,7 +758,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 	if (ret_val)
 		e_dbg("Error configuring flow control\n");
 
-out:
 	return ret_val;
 }
 
@@ -1008,15 +1000,13 @@ static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
 
 	ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	phy_data &= ~HV_SMB_ADDR_MASK;
 	phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT);
 	phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
-	ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
 
-out:
-	return ret_val;
+	return e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
 }
 
 /**
@@ -1065,7 +1055,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 
 	data = er32(FEXTNVM);
 	if (!(data & sw_cfg_mask))
-		goto out;
+		goto release;
 
 	/*
 	 * Make sure HW does not configure LCD from PHY
@@ -1074,14 +1064,14 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 	data = er32(EXTCNF_CTRL);
 	if (!(hw->mac.type == e1000_pch2lan)) {
 		if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
-			goto out;
+			goto release;
 	}
 
 	cnf_size = er32(EXTCNF_SIZE);
 	cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
 	cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
 	if (!cnf_size)
-		goto out;
+		goto release;
 
 	cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
 	cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
@@ -1097,13 +1087,13 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 		 */
 		ret_val = e1000_write_smbus_addr(hw);
 		if (ret_val)
-			goto out;
+			goto release;
 
 		data = er32(LEDCTL);
 		ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG,
 							(u16)data);
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
 	/* Configure LCD from extended configuration region. */
@@ -1115,12 +1105,12 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 		ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1,
 					 &reg_data);
 		if (ret_val)
-			goto out;
+			goto release;
 
 		ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1),
 					 1, &reg_addr);
 		if (ret_val)
-			goto out;
+			goto release;
 
 		/* Save off the PHY page for future writes. */
 		if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
@@ -1134,10 +1124,10 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 		ret_val = phy->ops.write_reg_locked(hw, (u32)reg_addr,
 						    reg_data);
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
-out:
+release:
 	hw->phy.ops.release(hw);
 	return ret_val;
 }
@@ -1159,12 +1149,12 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 	bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled;
 
 	if (hw->mac.type != e1000_pchlan)
-		goto out;
+		return 0;
 
 	/* Wrap the whole flow with the sw flag */
 	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/* Disable K1 when link is 1Gbps, otherwise use the NVM setting */
 	if (link) {
@@ -1218,7 +1208,7 @@ static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
 
 release:
 	hw->phy.ops.release(hw);
-out:
+
 	return ret_val;
 }
 
@@ -1244,7 +1234,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
 	                                     E1000_KMRNCTRLSTA_K1_CONFIG,
 	                                     &kmrn_reg);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (k1_enable)
 		kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE;
@@ -1255,7 +1245,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
 	                                      E1000_KMRNCTRLSTA_K1_CONFIG,
 	                                      kmrn_reg);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	udelay(20);
 	ctrl_ext = er32(CTRL_EXT);
@@ -1273,8 +1263,7 @@ s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
 	e1e_flush();
 	udelay(20);
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -1302,18 +1291,18 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 	if (!(hw->mac.type == e1000_pch2lan)) {
 		mac_reg = er32(EXTCNF_CTRL);
 		if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)
-			goto out;
+			goto release;
 	}
 
 	mac_reg = er32(FEXTNVM);
 	if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M))
-		goto out;
+		goto release;
 
 	mac_reg = er32(PHY_CTRL);
 
 	ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg);
 	if (ret_val)
-		goto out;
+		goto release;
 
 	oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU);
 
@@ -1339,7 +1328,7 @@ static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
 
 	ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg);
 
-out:
+release:
 	hw->phy.ops.release(hw);
 
 	return ret_val;
@@ -1376,13 +1365,13 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	u16 phy_data;
 
 	if (hw->mac.type != e1000_pchlan)
-		return ret_val;
+		return 0;
 
 	/* Set MDIO slow mode before any other MDIO access */
 	if (hw->phy.type == e1000_phy_82577) {
 		ret_val = e1000_set_mdio_slow_mode_hv(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	if (((hw->phy.type == e1000_phy_82577) &&
@@ -1419,7 +1408,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
 	hw->phy.ops.release(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/*
 	 * Configure the K1 Si workaround during phy reset assuming there is
@@ -1427,12 +1416,12 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	 */
 	ret_val = e1000_k1_gig_workaround_hv(hw, true);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/* Workaround for link disconnects on a busy hub in half duplex */
 	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 	ret_val = hw->phy.ops.read_reg_locked(hw, BM_PORT_GEN_CFG, &phy_data);
 	if (ret_val)
 		goto release;
@@ -1440,7 +1429,7 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 					       phy_data & 0x00FF);
 release:
 	hw->phy.ops.release(hw);
-out:
+
 	return ret_val;
 }
 
@@ -1497,13 +1486,13 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
 	u16 i;
 
 	if (hw->mac.type != e1000_pch2lan)
-		goto out;
+		return 0;
 
 	/* disable Rx path while enabling/disabling workaround */
 	e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
 	ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14));
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (enable) {
 		/*
@@ -1545,24 +1534,24 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
 						E1000_KMRNCTRLSTA_CTRL_OFFSET,
 						&data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1000e_write_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_CTRL_OFFSET,
 						data | (1 << 0));
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1000e_read_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_HD_CTRL,
 						&data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		data &= ~(0xF << 8);
 		data |= (0xB << 8);
 		ret_val = e1000e_write_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_HD_CTRL,
 						data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		/* Enable jumbo frame workaround in the PHY */
 		e1e_rphy(hw, PHY_REG(769, 23), &data);
@@ -1570,25 +1559,25 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
 		data |= (0x37 << 5);
 		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, PHY_REG(769, 16), &data);
 		data &= ~(1 << 13);
 		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, PHY_REG(776, 20), &data);
 		data &= ~(0x3FF << 2);
 		data |= (0x1A << 2);
 		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, HV_PM_CTRL, &data);
 		ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10));
 		if (ret_val)
-			goto out;
+			return ret_val;
 	} else {
 		/* Write MAC register values back to h/w defaults */
 		mac_reg = er32(FFLT_DBG);
@@ -1603,56 +1592,53 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
 						E1000_KMRNCTRLSTA_CTRL_OFFSET,
 						&data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1000e_write_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_CTRL_OFFSET,
 						data & ~(1 << 0));
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1000e_read_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_HD_CTRL,
 						&data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		data &= ~(0xF << 8);
 		data |= (0xB << 8);
 		ret_val = e1000e_write_kmrn_reg(hw,
 						E1000_KMRNCTRLSTA_HD_CTRL,
 						data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		/* Write PHY register values back to h/w defaults */
 		e1e_rphy(hw, PHY_REG(769, 23), &data);
 		data &= ~(0x7F << 5);
 		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, PHY_REG(769, 16), &data);
 		data |= (1 << 13);
 		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, PHY_REG(776, 20), &data);
 		data &= ~(0x3FF << 2);
 		data |= (0x8 << 2);
 		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		e1e_rphy(hw, HV_PM_CTRL, &data);
 		ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10));
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	/* re-enable Rx path after enabling/disabling workaround */
-	ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14));
-
-out:
-	return ret_val;
+	return e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14));
 }
 
 /**
@@ -1664,14 +1650,14 @@ static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 	s32 ret_val = 0;
 
 	if (hw->mac.type != e1000_pch2lan)
-		goto out;
+		return 0;
 
 	/* Set MDIO slow mode before any other MDIO access */
 	ret_val = e1000_set_mdio_slow_mode_hv(hw);
 
 	ret_val = hw->phy.ops.acquire(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 	ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
 					       I82579_MSE_THRESHOLD);
 	if (ret_val)
@@ -1689,7 +1675,6 @@ static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw)
 release:
 	hw->phy.ops.release(hw);
 
-out:
 	return ret_val;
 }
 
@@ -1707,12 +1692,12 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
 	u16 phy_reg;
 
 	if (hw->mac.type != e1000_pch2lan)
-		goto out;
+		return 0;
 
 	/* Set K1 beacon duration based on 1Gbps speed or otherwise */
 	ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
 	    == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
@@ -1721,7 +1706,7 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
 
 		ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		if (status_reg & HV_M_STATUS_SPEED_1000) {
 			mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
@@ -1734,7 +1719,6 @@ static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
 		ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
 	}
 
-out:
 	return ret_val;
 }
 
@@ -1805,7 +1789,7 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
 	u16 reg;
 
 	if (e1000_check_reset_block(hw))
-		goto out;
+		return 0;
 
 	/* Allow time for h/w to get to quiescent state after reset */
 	usleep_range(10000, 20000);
@@ -1815,12 +1799,12 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
 	case e1000_pchlan:
 		ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		break;
 	case e1000_pch2lan:
 		ret_val = e1000_lv_phy_workarounds_ich8lan(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		break;
 	default:
 		break;
@@ -1836,7 +1820,7 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
 	/* Configure the LCD with the extended configuration region in NVM */
 	ret_val = e1000_sw_lcd_config_ich8lan(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/* Configure the LCD with the OEM bits in NVM */
 	ret_val = e1000_oem_bits_config_ich8lan(hw, true);
@@ -1851,18 +1835,16 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
 		/* Set EEE LPI Update Timer to 200usec */
 		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 		ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
 						       I82579_LPI_UPDATE_TIMER);
-		if (ret_val)
-			goto release;
-		ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_DATA,
-						       0x1387);
-release:
+		if (!ret_val)
+			ret_val = hw->phy.ops.write_reg_locked(hw,
+							       I82579_EMI_DATA,
+							       0x1387);
 		hw->phy.ops.release(hw);
 	}
 
-out:
 	return ret_val;
 }
 
@@ -1885,12 +1867,9 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 
 	ret_val = e1000e_phy_hw_reset_generic(hw);
 	if (ret_val)
-		goto out;
-
-	ret_val = e1000_post_phy_reset_ich8lan(hw);
+		return ret_val;
 
-out:
-	return ret_val;
+	return e1000_post_phy_reset_ich8lan(hw);
 }
 
 /**
@@ -1911,7 +1890,7 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
 
 	ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (active)
 		oem_reg |= HV_OEM_BITS_LPLU;
@@ -1921,10 +1900,7 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
 	if (!e1000_check_reset_block(hw))
 		oem_reg |= HV_OEM_BITS_RESTART_AN;
 
-	ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg);
-
-out:
-	return ret_val;
+	return e1e_wphy(hw, HV_OEM_BITS, oem_reg);
 }
 
 /**
@@ -1948,7 +1924,7 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 	u16 data;
 
 	if (phy->type == e1000_phy_ife)
-		return ret_val;
+		return 0;
 
 	phy_ctrl = er32(PHY_CTRL);
 
@@ -2030,7 +2006,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 {
 	struct e1000_phy_info *phy = &hw->phy;
 	u32 phy_ctrl;
-	s32 ret_val;
+	s32 ret_val = 0;
 	u16 data;
 
 	phy_ctrl = er32(PHY_CTRL);
@@ -2096,7 +2072,7 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
 	}
 
-	return 0;
+	return ret_val;
 }
 
 /**
@@ -2114,7 +2090,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
 	u32 bank1_offset = nvm->flash_bank_size * sizeof(u16);
 	u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1;
 	u8 sig_byte = 0;
-	s32 ret_val = 0;
+	s32 ret_val;
 
 	switch (hw->mac.type) {
 	case e1000_ich8lan:
@@ -2161,8 +2137,6 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
 		e_dbg("ERROR: No valid NVM bank present\n");
 		return -E1000_ERR_NVM;
 	}
-
-	return 0;
 }
 
 /**
@@ -2270,7 +2244,7 @@ static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 		ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
 		ret_val = 0;
 	} else {
-		s32 i = 0;
+		s32 i;
 
 		/*
 		 * Otherwise poll for sometime so the current
@@ -2310,7 +2284,6 @@ static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
 {
 	union ich8_hws_flash_ctrl hsflctl;
 	union ich8_hws_flash_status hsfsts;
-	s32 ret_val = -E1000_ERR_NVM;
 	u32 i = 0;
 
 	/* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
@@ -2329,7 +2302,7 @@ static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
 	if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0)
 		return 0;
 
-	return ret_val;
+	return -E1000_ERR_NVM;
 }
 
 /**
@@ -3004,7 +2977,7 @@ static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
 	/* Get default ID LED modes */
 	ret_val = hw->nvm.ops.valid_led_default(hw, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	mac->ledctl_default = er32(LEDCTL);
 	mac->ledctl_mode1 = mac->ledctl_default;
@@ -3049,8 +3022,7 @@ static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
 		}
 	}
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -3165,11 +3137,11 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 	if (ctrl & E1000_CTRL_PHY_RST) {
 		ret_val = hw->phy.ops.get_cfg_done(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		ret_val = e1000_post_phy_reset_ich8lan(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	/*
@@ -3187,8 +3159,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 	kab |= E1000_KABGTXD_BGSQLBIAS;
 	ew32(KABGTXD, kab);
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -3279,7 +3250,7 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
 	 */
 	e1000_clear_hw_cntrs_ich8lan(hw);
 
-	return 0;
+	return ret_val;
 }
 /**
  *  e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
@@ -3482,6 +3453,7 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
 	default:
 		break;
 	}
+
 	return e1000e_setup_copper_link(hw);
 }
 

+ 11 - 14
drivers/net/ethernet/intel/e1000e/mac.c

@@ -172,23 +172,23 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
 
 	ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/* not supported on 82573 */
 	if (hw->mac.type == e1000_82573)
-		goto out;
+		return 0;
 
 	ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
 				 &nvm_alt_mac_addr_offset);
 	if (ret_val) {
 		e_dbg("NVM Read Error\n");
-		goto out;
+		return ret_val;
 	}
 
 	if ((nvm_alt_mac_addr_offset == 0xFFFF) ||
 	    (nvm_alt_mac_addr_offset == 0x0000))
 		/* There is no Alternate MAC Address */
-		goto out;
+		return 0;
 
 	if (hw->bus.func == E1000_FUNC_1)
 		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
@@ -197,7 +197,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
 		ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
 		if (ret_val) {
 			e_dbg("NVM Read Error\n");
-			goto out;
+			return ret_val;
 		}
 
 		alt_mac_addr[i] = (u8)(nvm_data & 0xFF);
@@ -207,7 +207,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
 	/* if multicast bit is set, the alternate address will not be used */
 	if (is_multicast_ether_addr(alt_mac_addr)) {
 		e_dbg("Ignoring Alternate Mac Address with MC bit set\n");
-		goto out;
+		return 0;
 	}
 
 	/*
@@ -217,8 +217,7 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
 	 */
 	e1000e_rar_set(hw, alt_mac_addr, 0);
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -444,7 +443,7 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
 		return ret_val;
 
 	if (!link)
-		return ret_val;	/* No link detected */
+		return 0;	/* No link detected */
 
 	mac->get_link_status = false;
 
@@ -458,10 +457,8 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
 	 * If we are forcing speed/duplex, then we simply return since
 	 * we have already determined whether we have link or not.
 	 */
-	if (!mac->autoneg) {
-		ret_val = -E1000_ERR_CONFIG;
-		return ret_val;
-	}
+	if (!mac->autoneg)
+		return -E1000_ERR_CONFIG;
 
 	/*
 	 * Auto-Neg is enabled.  Auto Speed Detection takes care
@@ -924,7 +921,7 @@ s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw)
 		e_dbg("No signal detected\n");
 	}
 
-	return 0;
+	return ret_val;
 }
 
 /**

+ 11 - 21
drivers/net/ethernet/intel/e1000e/manage.c

@@ -140,7 +140,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 	/* No manageability, no filtering */
 	if (!e1000e_check_mng_mode(hw)) {
 		hw->mac.tx_pkt_filtering = false;
-		goto out;
+		return hw->mac.tx_pkt_filtering;
 	}
 
 	/*
@@ -150,7 +150,7 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 	ret_val = e1000_mng_enable_host_if(hw);
 	if (ret_val) {
 		hw->mac.tx_pkt_filtering = false;
-		goto out;
+		return hw->mac.tx_pkt_filtering;
 	}
 
 	/* Read in the header.  Length and offset are in dwords. */
@@ -170,16 +170,13 @@ bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
 	 */
 	if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) {
 		hw->mac.tx_pkt_filtering = true;
-		goto out;
+		return hw->mac.tx_pkt_filtering;
 	}
 
 	/* Cookie area is valid, make the final check for filtering. */
-	if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) {
+	if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING))
 		hw->mac.tx_pkt_filtering = false;
-		goto out;
-	}
 
-out:
 	return hw->mac.tx_pkt_filtering;
 }
 
@@ -336,12 +333,11 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
 {
 	u32 manc;
 	u32 fwsm, factps;
-	bool ret_val = false;
 
 	manc = er32(MANC);
 
 	if (!(manc & E1000_MANC_RCV_TCO_EN))
-		goto out;
+		return false;
 
 	if (hw->mac.has_fwsm) {
 		fwsm = er32(FWSM);
@@ -349,10 +345,8 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
 
 		if (!(factps & E1000_FACTPS_MNGCG) &&
 		    ((fwsm & E1000_FWSM_MODE_MASK) ==
-		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) {
-			ret_val = true;
-			goto out;
-		}
+		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT)))
+			return true;
 	} else if ((hw->mac.type == e1000_82574) ||
 		   (hw->mac.type == e1000_82583)) {
 		u16 data;
@@ -362,16 +356,12 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
 
 		if (!(factps & E1000_FACTPS_MNGCG) &&
 		    ((data & E1000_NVM_INIT_CTRL2_MNGM) ==
-		     (e1000_mng_mode_pt << 13))) {
-			ret_val = true;
-			goto out;
-		}
+		     (e1000_mng_mode_pt << 13)))
+			return true;
 	} else if ((manc & E1000_MANC_SMBUS_EN) &&
 		   !(manc & E1000_MANC_ASF_EN)) {
-		ret_val = true;
-		goto out;
+		return true;
 	}
 
-out:
-	return ret_val;
+	return false;
 }

+ 7 - 9
drivers/net/ethernet/intel/e1000e/netdev.c

@@ -1985,7 +1985,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
 			  netdev);
 	if (err)
-		goto out;
+		return err;
 	adapter->rx_ring->itr_register = adapter->hw.hw_addr +
 	    E1000_EITR_82574(vector);
 	adapter->rx_ring->itr_val = adapter->itr;
@@ -2001,7 +2001,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
 			  netdev);
 	if (err)
-		goto out;
+		return err;
 	adapter->tx_ring->itr_register = adapter->hw.hw_addr +
 	    E1000_EITR_82574(vector);
 	adapter->tx_ring->itr_val = adapter->itr;
@@ -2010,12 +2010,11 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	err = request_irq(adapter->msix_entries[vector].vector,
 			  e1000_msix_other, 0, netdev->name, netdev);
 	if (err)
-		goto out;
+		return err;
 
 	e1000_configure_msix(adapter);
+
 	return 0;
-out:
-	return err;
 }
 
 /**
@@ -2367,7 +2366,7 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
 	unsigned int retval = itr_setting;
 
 	if (packets == 0)
-		goto update_itr_done;
+		return itr_setting;
 
 	switch (itr_setting) {
 	case lowest_latency:
@@ -2402,7 +2401,6 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
 		break;
 	}
 
-update_itr_done:
 	return retval;
 }
 
@@ -5365,7 +5363,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
 	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
 	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
 	if (retval)
-		goto out;
+		goto release;
 
 	/* copy MAC MTA to PHY MTA - only needed for pchlan */
 	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
@@ -5409,7 +5407,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
 	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
 	if (retval)
 		e_err("Could not set PHY Host Wakeup bit\n");
-out:
+release:
 	hw->phy.ops.release(hw);
 
 	return retval;

+ 14 - 18
drivers/net/ethernet/intel/e1000e/nvm.c

@@ -382,10 +382,8 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 		u8 write_opcode = NVM_WRITE_OPCODE_SPI;
 
 		ret_val = e1000_ready_nvm_eeprom(hw);
-		if (ret_val) {
-			nvm->ops.release(hw);
-			return ret_val;
-		}
+		if (ret_val)
+			goto release;
 
 		e1000_standby_nvm(hw);
 
@@ -422,8 +420,10 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
 	}
 
 	usleep_range(10000, 20000);
+release:
 	nvm->ops.release(hw);
-	return 0;
+
+	return ret_val;
 }
 
 /**
@@ -446,20 +446,19 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num,
 
 	if (pba_num == NULL) {
 		e_dbg("PBA string buffer was null\n");
-		ret_val = E1000_ERR_INVALID_ARGUMENT;
-		goto out;
+		return -E1000_ERR_INVALID_ARGUMENT;
 	}
 
 	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_0, 1, &nvm_data);
 	if (ret_val) {
 		e_dbg("NVM Read Error\n");
-		goto out;
+		return ret_val;
 	}
 
 	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_1, 1, &pba_ptr);
 	if (ret_val) {
 		e_dbg("NVM Read Error\n");
-		goto out;
+		return ret_val;
 	}
 
 	/*
@@ -499,25 +498,23 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num,
 				pba_num[offset] += 'A' - 0xA;
 		}
 
-		goto out;
+		return 0;
 	}
 
 	ret_val = e1000_read_nvm(hw, pba_ptr, 1, &length);
 	if (ret_val) {
 		e_dbg("NVM Read Error\n");
-		goto out;
+		return ret_val;
 	}
 
 	if (length == 0xFFFF || length == 0) {
 		e_dbg("NVM PBA number section invalid length\n");
-		ret_val = E1000_ERR_NVM_PBA_SECTION;
-		goto out;
+		return -E1000_ERR_NVM_PBA_SECTION;
 	}
 	/* check if pba_num buffer is big enough */
 	if (pba_num_size < (((u32)length * 2) - 1)) {
 		e_dbg("PBA string buffer too small\n");
-		ret_val = E1000_ERR_NO_SPACE;
-		goto out;
+		return -E1000_ERR_NO_SPACE;
 	}
 
 	/* trim pba length from start of string */
@@ -528,15 +525,14 @@ s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num,
 		ret_val = e1000_read_nvm(hw, pba_ptr + offset, 1, &nvm_data);
 		if (ret_val) {
 			e_dbg("NVM Read Error\n");
-			goto out;
+			return ret_val;
 		}
 		pba_num[offset * 2] = (u8)(nvm_data >> 8);
 		pba_num[(offset * 2) + 1] = (u8)(nvm_data & 0xFF);
 	}
 	pba_num[offset * 2] = '\0';
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**

+ 102 - 139
drivers/net/ethernet/intel/e1000e/phy.c

@@ -133,29 +133,29 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
 	u16 retry_count = 0;
 
 	if (!phy->ops.read_reg)
-		goto out;
+		return 0;
 
 	while (retry_count < 2) {
 		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		phy->id = (u32)(phy_id << 16);
 		udelay(20);
 		ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
 		phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
 
 		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
-			goto out;
+			return 0;
 
 		retry_count++;
 	}
-out:
-	return ret_val;
+
+	return 0;
 }
 
 /**
@@ -383,28 +383,24 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
 
 	if (!locked) {
 		if (!hw->phy.ops.acquire)
-			goto out;
+			return 0;
 
 		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
-	if (offset > MAX_PHY_MULTI_PAGE_REG) {
+	if (offset > MAX_PHY_MULTI_PAGE_REG)
 		ret_val = e1000e_write_phy_reg_mdic(hw,
 						    IGP01E1000_PHY_PAGE_SELECT,
 						    (u16)offset);
-		if (ret_val)
-			goto release;
-	}
-
-	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-	                                  data);
-
-release:
+	if (!ret_val)
+		ret_val = e1000e_read_phy_reg_mdic(hw,
+						   MAX_PHY_REG_ADDRESS & offset,
+						   data);
 	if (!locked)
 		hw->phy.ops.release(hw);
-out:
+
 	return ret_val;
 }
 
@@ -454,29 +450,24 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
 
 	if (!locked) {
 		if (!hw->phy.ops.acquire)
-			goto out;
+			return 0;
 
 		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
-	if (offset > MAX_PHY_MULTI_PAGE_REG) {
+	if (offset > MAX_PHY_MULTI_PAGE_REG)
 		ret_val = e1000e_write_phy_reg_mdic(hw,
 						    IGP01E1000_PHY_PAGE_SELECT,
 						    (u16)offset);
-		if (ret_val)
-			goto release;
-	}
-
-	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-					    data);
-
-release:
+	if (!ret_val)
+		ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS &
+							offset,
+						    data);
 	if (!locked)
 		hw->phy.ops.release(hw);
 
-out:
 	return ret_val;
 }
 
@@ -523,15 +514,16 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
                                  bool locked)
 {
 	u32 kmrnctrlsta;
-	s32 ret_val = 0;
 
 	if (!locked) {
+		s32 ret_val = 0;
+
 		if (!hw->phy.ops.acquire)
-			goto out;
+			return 0;
 
 		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
@@ -547,8 +539,7 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
 	if (!locked)
 		hw->phy.ops.release(hw);
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -596,15 +587,16 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
                                   bool locked)
 {
 	u32 kmrnctrlsta;
-	s32 ret_val = 0;
 
 	if (!locked) {
+		s32 ret_val = 0;
+
 		if (!hw->phy.ops.acquire)
-			goto out;
+			return 0;
 
 		ret_val = hw->phy.ops.acquire(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
 	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
@@ -617,8 +609,7 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
 	if (!locked)
 		hw->phy.ops.release(hw);
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -663,17 +654,14 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
 	/* Enable CRS on Tx. This must be set for half-duplex operation. */
 	ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
 
 	/* Enable downshift */
 	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
 
-	ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data);
-
-out:
-	return ret_val;
+	return e1e_wphy(hw, I82577_CFG_REG, phy_data);
 }
 
 /**
@@ -1064,8 +1052,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
 		break;
 	default:
 		e_dbg("Flow control param set incorrectly\n");
-		ret_val = -E1000_ERR_CONFIG;
-		return ret_val;
+		return -E1000_ERR_CONFIG;
 	}
 
 	ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
@@ -1265,8 +1252,6 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
 						     PHY_FORCE_LIMIT,
 						     100000,
 						     &link);
-		if (ret_val)
-			return ret_val;
 	}
 
 	return ret_val;
@@ -1400,25 +1385,25 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	e1000e_phy_force_speed_duplex_setup(hw, &data);
 
 	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	/* Disable MDI-X support for 10/100 */
 	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	data &= ~IFE_PMC_AUTO_MDIX;
 	data &= ~IFE_PMC_FORCE_MDIX;
 
 	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	e_dbg("IFE PMC: %X\n", data);
 
@@ -1432,7 +1417,7 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
 		                                     100000,
 		                                     &link);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		if (!link)
 			e_dbg("Link taking longer than expected.\n");
@@ -1443,11 +1428,10 @@ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
 		                                     100000,
 		                                     &link);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	}
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -1832,22 +1816,20 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
 	        M88E1000_PSSR_CABLE_LENGTH_SHIFT;
-	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
-		ret_val = -E1000_ERR_PHY;
-		goto out;
-	}
+
+	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1)
+		return -E1000_ERR_PHY;
 
 	phy->min_cable_length = e1000_m88_cable_length_table[index];
 	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -1917,7 +1899,7 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
 
 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
 
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -2072,24 +2054,23 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
 
 	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (!link) {
 		e_dbg("Phy info is only valid if link is up\n");
-		ret_val = -E1000_ERR_CONFIG;
-		goto out;
+		return -E1000_ERR_CONFIG;
 	}
 
 	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 	phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
 	                           ? false : true;
 
 	if (phy->polarity_correction) {
 		ret_val = e1000_check_polarity_ife(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 	} else {
 		/* Polarity is forced */
 		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
@@ -2099,7 +2080,7 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
 
@@ -2108,8 +2089,7 @@ s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
 	phy->local_rx = e1000_1000t_rx_status_undefined;
 	phy->remote_rx = e1000_1000t_rx_status_undefined;
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -2368,7 +2348,6 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
  **/
 s32 e1000e_determine_phy_address(struct e1000_hw *hw)
 {
-	s32 ret_val = -E1000_ERR_PHY_TYPE;
 	u32 phy_addr = 0;
 	u32 i;
 	enum e1000_phy_type phy_type = e1000_phy_unknown;
@@ -2387,17 +2366,15 @@ s32 e1000e_determine_phy_address(struct e1000_hw *hw)
 			 * If phy_type is valid, break - we found our
 			 * PHY address
 			 */
-			if (phy_type  != e1000_phy_unknown) {
-				ret_val = 0;
-				goto out;
-			}
+			if (phy_type  != e1000_phy_unknown)
+				return 0;
+
 			usleep_range(1000, 2000);
 			i++;
 		} while (i < 10);
 	}
 
-out:
-	return ret_val;
+	return -E1000_ERR_PHY_TYPE;
 }
 
 /**
@@ -2438,7 +2415,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
 							 false, false);
-		goto out;
+		goto release;
 	}
 
 	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
@@ -2463,13 +2440,13 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
 		                                    (page << page_shift));
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 	                                    data);
 
-out:
+release:
 	hw->phy.ops.release(hw);
 	return ret_val;
 }
@@ -2497,7 +2474,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
 							 true, false);
-		goto out;
+		goto release;
 	}
 
 	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
@@ -2522,12 +2499,12 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
 		                                    (page << page_shift));
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 	                                   data);
-out:
+release:
 	hw->phy.ops.release(hw);
 	return ret_val;
 }
@@ -2555,7 +2532,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
 							 true, false);
-		goto out;
+		goto release;
 	}
 
 	hw->phy.addr = 1;
@@ -2567,12 +2544,12 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 						    page);
 
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					   data);
-out:
+release:
 	hw->phy.ops.release(hw);
 	return ret_val;
 }
@@ -2599,7 +2576,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
 							 false, false);
-		goto out;
+		goto release;
 	}
 
 	hw->phy.addr = 1;
@@ -2610,13 +2587,13 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 						    page);
 
 		if (ret_val)
-			goto out;
+			goto release;
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					    data);
 
-out:
+release:
 	hw->phy.ops.release(hw);
 	return ret_val;
 }
@@ -2641,14 +2618,14 @@ s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
 	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
 	if (ret_val) {
 		e_dbg("Could not set Port Control page\n");
-		goto out;
+		return ret_val;
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
 	if (ret_val) {
 		e_dbg("Could not read PHY register %d.%d\n",
 		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
-		goto out;
+		return ret_val;
 	}
 
 	/*
@@ -2663,15 +2640,14 @@ s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
 	if (ret_val) {
 		e_dbg("Could not write PHY register %d.%d\n",
 		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
-		goto out;
+		return ret_val;
 	}
 
-	/* Select Host Wakeup Registers page */
-	ret_val = e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT));
-
-	/* caller now able to write registers on the Wakeup registers page */
-out:
-	return ret_val;
+	/*
+	 * Select Host Wakeup Registers page - caller now able to write
+	 * registers on the Wakeup registers page
+	 */
+	return e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT));
 }
 
 /**
@@ -2693,7 +2669,7 @@ s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
 	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
 	if (ret_val) {
 		e_dbg("Could not set Port Control page\n");
-		goto out;
+		return ret_val;
 	}
 
 	/* Restore 769.17 to its original value */
@@ -2701,7 +2677,7 @@ s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
 	if (ret_val)
 		e_dbg("Could not restore PHY register %d.%d\n",
 		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
-out:
+
 	return ret_val;
 }
 
@@ -2749,7 +2725,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 		ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
 		if (ret_val) {
 			e_dbg("Could not enable PHY wakeup reg access\n");
-			goto out;
+			return ret_val;
 		}
 	}
 
@@ -2759,7 +2735,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
 	if (ret_val) {
 		e_dbg("Could not write address opcode to page %d\n", page);
-		goto out;
+		return ret_val;
 	}
 
 	if (read) {
@@ -2774,13 +2750,12 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 
 	if (ret_val) {
 		e_dbg("Could not access PHY reg %d.%d\n", page, reg);
-		goto out;
+		return ret_val;
 	}
 
 	if (!page_set)
 		ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
 
-out:
 	return ret_val;
 }
 
@@ -3136,7 +3111,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
 	if (ret_val) {
 		e_dbg("Could not write the Address Offset port register\n");
-		goto out;
+		return ret_val;
 	}
 
 	/* Read or write the data value next */
@@ -3145,12 +3120,9 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 	else
 		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
 
-	if (ret_val) {
+	if (ret_val)
 		e_dbg("Could not access the Data port register\n");
-		goto out;
-	}
 
-out:
 	return ret_val;
 }
 
@@ -3171,17 +3143,17 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
 	u16 data;
 
 	if (hw->phy.type != e1000_phy_82578)
-		goto out;
+		return 0;
 
 	/* Do not apply workaround if in PHY loopback bit 14 set */
 	e1e_rphy(hw, PHY_CONTROL, &data);
 	if (data & PHY_CONTROL_LB)
-		goto out;
+		return 0;
 
 	/* check if link is up and at 1Gbps */
 	ret_val = e1e_rphy(hw, BM_CS_STATUS, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	data &= BM_CS_STATUS_LINK_UP |
 	        BM_CS_STATUS_RESOLVED |
@@ -3190,7 +3162,7 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
 	if (data != (BM_CS_STATUS_LINK_UP |
 	             BM_CS_STATUS_RESOLVED |
 	             BM_CS_STATUS_SPEED_1000))
-		goto out;
+		return 0;
 
 	mdelay(200);
 
@@ -3198,12 +3170,9 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
 	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC |
 			   HV_MUX_DATA_CTRL_FORCE_SPEED);
 	if (ret_val)
-		goto out;
-
-	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
+		return ret_val;
 
-out:
-	return ret_val;
+	return e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
 }
 
 /**
@@ -3245,13 +3214,13 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
 
 	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	udelay(1);
 
@@ -3263,7 +3232,7 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 		                                     100000,
 		                                     &link);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		if (!link)
 			e_dbg("Link taking longer than expected.\n");
@@ -3273,11 +3242,8 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
 		                                     PHY_FORCE_LIMIT,
 		                                     100000,
 		                                     &link);
-		if (ret_val)
-			goto out;
 	}
 
-out:
 	return ret_val;
 }
 
@@ -3299,23 +3265,22 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 
 	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	if (!link) {
 		e_dbg("Phy info is only valid if link is up\n");
-		ret_val = -E1000_ERR_CONFIG;
-		goto out;
+		return -E1000_ERR_CONFIG;
 	}
 
 	phy->polarity_correction = true;
 
 	ret_val = e1000_check_polarity_82577(hw);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false;
 
@@ -3323,11 +3288,11 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 	    I82577_PHY_STATUS2_SPEED_1000MBPS) {
 		ret_val = hw->phy.ops.get_cable_length(hw);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
 		if (ret_val)
-			goto out;
+			return ret_val;
 
 		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
 		                ? e1000_1000t_rx_status_ok
@@ -3342,8 +3307,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
 		phy->remote_rx = e1000_1000t_rx_status_undefined;
 	}
 
-out:
-	return ret_val;
+	return 0;
 }
 
 /**
@@ -3361,7 +3325,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
 
 	ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data);
 	if (ret_val)
-		goto out;
+		return ret_val;
 
 	length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >>
 	         I82577_DSTATUS_CABLE_LENGTH_SHIFT;
@@ -3371,6 +3335,5 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
 
 	phy->cable_length = length;
 
-out:
-	return ret_val;
+	return 0;
 }