linux-kernel - [PATCH v2] message/fusion/mptbase.c: Use kmemdup instead of memcpy and kmalloc

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Message-ID: <20190522160149.GA19160@bharath12345-Inspiron-5559>
Date:   Wed, 22 May 2019 21:31:49 +0530
From:   Bharath Vedartham <linux.bhar@...il.com>
To:     sathya.prakash@...adcom.com, suganath-prabu.subramani@...adcom.com,
        joe@...ches.com
Cc:     MPT-FusionLinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] message/fusion/mptbase.c: Use kmemdup instead of memcpy
 and kmalloc

Replace kmalloc + memcpy with kmemdup.

This was reported by coccinelle.

Signed-off-by: Bharath Vedartham <linux.bhar@...il.com>

---
Changes since v2:
	Removed the cast from pIoc2.
---
 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 d8882b0..37876a7 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(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);
-- 
2.7.4