RE: [PATCH] [SCSI] mptfusion: Use kmemdup rather than duplicatingits implementation

From: Nandigama, Nagalakshmi
Date: Mon Dec 19 2011 - 03:40:02 EST


This patch seem to be fine.
Please consider this patch as acked by me.

Regards,
Nagalakshmi


-----Original Message-----
From: Thomas Meyer [mailto:thomas@xxxxxxxx]
Sent: Friday, November 18, 2011 4:14 AM
To: DL-MPT Fusion Linux; linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
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@xxxxxxxx>
---

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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