[PATCH] scsi: message: fusion: Use kmemdup instead of duplicating its function

[Wen Yang]

kmemdup has implemented the function that kmalloc() + memcpy().
We prefer to kmemdup rather than code opened implementation.

This issue was detected with the help of coccinelle.

Signed-off-by: Wen Yang <wen.yan...@zte.com.cn>
CC: Sathya Prakash <sathya.prak...@broadcom.com>
CC: Chaitra P B <chaitra.basa...@broadcom.com>
CC: Suganath Prabu Subramani <suganath-prabu.subram...@broadcom.com>
CC: mpt-fusionlinux....@broadcom.com
CC: linux-s...@vger.kernel.org
CC: linux-kernel@vger.kernel.org
---
 drivers/message/fusion/mptbase.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index ba551d8dfba4..f8ec116cb9a4 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -6001,13 +6001,12 @@ 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);
-- 
2.19.1