linux-kernel - [PATCH] [SCSI] mptfusion: Use kmemdup rather than duplicating its implementation

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Date:	Thu, 17 Nov 2011 23:43:40 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	DL-MPTFusionLinux@....com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [SCSI] mptfusion: Use kmemdup rather than duplicating its
 implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
--- a/drivers/message/fusion/mptbase.c 2011-11-07 19:37:51.796676955 +0100
+++ b/drivers/message/fusion/mptbase.c 2011-11-08 10:40:23.121014643 +0100
@@ -6003,13 +6003,12 @@ mpt_findImVolumes(MPT_ADAPTER *ioc)
 	if (mpt_config(ioc, &cfg) != 0)
 		goto out;
 
-	mem = kmalloc(iocpage2sz, GFP_KERNEL);
+	mem = kmemdup((u8 *)pIoc2, iocpage2sz, GFP_KERNEL);
 	if (!mem) {
 		rc = -ENOMEM;
 		goto out;
 	}
 
-	memcpy(mem, (u8 *)pIoc2, iocpage2sz);
 	ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
 
 	mpt_read_ioc_pg_3(ioc);
--
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