iwlwifi: move FW_ERROR to priv

The op_mode should check for FW_ERROR before calling send_cmd.  This
removes the need to test for FW_ERROR in the trans layer.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -1298,6 +1298,12 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 		return -EIO;
 	}
 
+	if (test_bit(STATUS_FW_ERROR, &priv->status)) {
+		IWL_ERR(priv, "Command %s failed: FW Error\n",
+			get_cmd_string(cmd->id));
+		return -EIO;
+	}
+
 	/*
 	 * Synchronous commands from this op-mode must hold
 	 * the mutex, this ensures we don't try to send two

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -920,11 +920,10 @@ void iwl_down(struct iwl_priv *priv)
 				STATUS_RF_KILL_HW |
 			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
 				STATUS_GEO_CONFIGURED |
+			test_bit(STATUS_FW_ERROR, &priv->status) <<
+				STATUS_FW_ERROR |
 			test_bit(STATUS_EXIT_PENDING, &priv->status) <<
 				STATUS_EXIT_PENDING;
-	priv->shrd->status &=
-			test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
-				STATUS_FW_ERROR;
 
 	dev_kfree_skb(priv->beacon_skb);
 	priv->beacon_skb = NULL;
@@ -1013,7 +1012,7 @@ static void iwl_bg_restart(struct work_struct *data)
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
-	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
+	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
 		mutex_lock(&priv->mutex);
 		iwlagn_prepare_restart(priv);
 		mutex_unlock(&priv->mutex);

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -369,7 +369,7 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
 	priv->ucode_loaded = false;
 
 	/* Set the FW error flag -- cleared on iwl_down */
-	set_bit(STATUS_FW_ERROR, &priv->shrd->status);
+	set_bit(STATUS_FW_ERROR, &priv->status);
 
 	/* Cancel currently queued command. */
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status);

drivers/net/wireless/iwlwifi/iwl-debugfs.c

@@ -557,7 +557,7 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 		test_bit(STATUS_POWER_PMI, &priv->shrd->status));
 	pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
-		test_bit(STATUS_FW_ERROR, &priv->shrd->status));
+		test_bit(STATUS_FW_ERROR, &priv->status));
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 

drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -69,7 +69,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
 	if (!test_bit(STATUS_READY, &priv->status) ||
 	    !test_bit(STATUS_GEO_CONFIGURED, &priv->status) ||
 	    !test_bit(STATUS_SCAN_HW, &priv->status) ||
-	    test_bit(STATUS_FW_ERROR, &priv->shrd->status))
+	    test_bit(STATUS_FW_ERROR, &priv->status))
 		return -EIO;
 
 	ret = iwl_dvm_send_cmd(priv, &cmd);

drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c

@@ -536,11 +536,6 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 	int trace_idx;
 #endif
 
-	if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
-		IWL_WARN(trans, "fw recovery, no hcmd send\n");
-		return -EIO;
-	}
-
 	copy_size = sizeof(out_cmd->hdr);
 	cmd_size = sizeof(out_cmd->hdr);
 
@@ -821,12 +816,6 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
 	IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
 			get_cmd_string(cmd->id));
 
-	if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
-		IWL_ERR(trans, "Command %s failed: FW Error\n",
-			       get_cmd_string(cmd->id));
-		return -EIO;
-	}
-
 	if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE,
 				     &trans->shrd->status))) {
 		IWL_ERR(trans, "Command %s: a command is already active!\n",