[SCSI] fusion-kfree-cleanup

This patch is originally From: Jesper Juhl <juhl-lkml@dif.dk>

This patch gets rid of redundant NULL checks prior to calling kfree() in
drivers/message/* There are also a few small whitespace changes in there.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/message/fusion/mptbase.c

@@ -1837,15 +1837,10 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
 		ioc->alloc_total -= sz;
 	}
 
-	if (ioc->spi_data.nvram != NULL) {
-		kfree(ioc->spi_data.nvram);
-		ioc->spi_data.nvram = NULL;
-	}
-
-	if (ioc->spi_data.pIocPg3 != NULL) {
-		kfree(ioc->spi_data.pIocPg3);
-		ioc->spi_data.pIocPg3 = NULL;
-	}
+	kfree(ioc->spi_data.nvram);
+	kfree(ioc->spi_data.pIocPg3);
+	ioc->spi_data.nvram = NULL;
+	ioc->spi_data.pIocPg3 = NULL;
 
 	if (ioc->spi_data.pIocPg4 != NULL) {
 		sz = ioc->spi_data.IocPg4Sz;
@@ -1862,10 +1857,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
 		ioc->ReqToChain = NULL;
 	}
 
-	if (ioc->ChainToChain != NULL) {
-		kfree(ioc->ChainToChain);
-		ioc->ChainToChain = NULL;
-	}
+	kfree(ioc->ChainToChain);
+	ioc->ChainToChain = NULL;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -4403,10 +4396,8 @@ mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
 
 	/* Free the old page
 	 */
-	if (ioc->spi_data.pIocPg3) {
-		kfree(ioc->spi_data.pIocPg3);
-		ioc->spi_data.pIocPg3 = NULL;
-	}
+	kfree(ioc->spi_data.pIocPg3);
+	ioc->spi_data.pIocPg3 = NULL;
 
 	/* There is at least one physical disk.
 	 * Read and save IOC Page 3

drivers/message/fusion/mptctl.c

@@ -99,14 +99,14 @@ struct buflist {
  * arg contents specific to function.
  */
 static int mptctl_fw_download(unsigned long arg);
-static int mptctl_getiocinfo (unsigned long arg, unsigned int cmd);
-static int mptctl_gettargetinfo (unsigned long arg);
-static int mptctl_readtest (unsigned long arg);
-static int mptctl_mpt_command (unsigned long arg);
-static int mptctl_eventquery (unsigned long arg);
-static int mptctl_eventenable (unsigned long arg);
-static int mptctl_eventreport (unsigned long arg);
-static int mptctl_replace_fw (unsigned long arg);
+static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd);
+static int mptctl_gettargetinfo(unsigned long arg);
+static int mptctl_readtest(unsigned long arg);
+static int mptctl_mpt_command(unsigned long arg);
+static int mptctl_eventquery(unsigned long arg);
+static int mptctl_eventenable(unsigned long arg);
+static int mptctl_eventreport(unsigned long arg);
+static int mptctl_replace_fw(unsigned long arg);
 
 static int mptctl_do_reset(unsigned long arg);
 static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
@@ -121,11 +121,11 @@ static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
 /*
  * Private function calls.
  */
-static int mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr);
+static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr);
 static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen);
-static MptSge_t *kbuf_alloc_2_sgl( int bytes, u32 dir, int sge_offset, int *frags,
+static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
 		struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
-static void kfree_sgl( MptSge_t *sgl, dma_addr_t sgl_dma,
+static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
 		struct buflist *buflist, MPT_ADAPTER *ioc);
 static void mptctl_timeout_expired (MPT_IOCTL *ioctl);
 static int  mptctl_bus_reset(MPT_IOCTL *ioctl);

drivers/message/fusion/mptlan.c

@@ -538,8 +538,8 @@ mpt_lan_close(struct net_device *dev)
 		}
 	}
 
-	kfree (priv->RcvCtl);
-	kfree (priv->mpt_rxfidx);
+	kfree(priv->RcvCtl);
+	kfree(priv->mpt_rxfidx);
 
 	for (i = 0; i < priv->tx_max_out; i++) {
 		if (priv->SendCtl[i].skb != NULL) {

drivers/message/fusion/mptscsih.c

@@ -998,20 +998,17 @@ mptscsih_remove(struct pci_dev *pdev)
 		hd->ScsiLookup = NULL;
 	}
 
-	if (hd->Targets != NULL) {
-		/*
-		 * Free pointer array.
-		 */
-		kfree(hd->Targets);
-		hd->Targets = NULL;
-	}
+	/*
+	 * Free pointer array.
+	 */
+	kfree(hd->Targets);
+	hd->Targets = NULL;
 
 	dprintk((MYIOC_s_INFO_FMT
 	    "Free'd ScsiLookup (%d) memory\n",
 	    hd->ioc->name, sz1));
 
-	if (hd->info_kbuf != NULL)
-		kfree(hd->info_kbuf);
+	kfree(hd->info_kbuf);
 
 	/* NULL the Scsi_Host pointer
 	 */