* [PATCH] mptbase: use kmemdup
@ 2016-05-19 13:50 Muhammad Falak R Wani
0 siblings, 0 replies; only message in thread
From: Muhammad Falak R Wani @ 2016-05-19 13:50 UTC (permalink / raw)
To: Sathya Prakash
Cc: Chaitra P B, Suganath Prabu Subramani, MPT-FusionLinux.pdl,
linux-scsi, linux-kernel
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
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 5537f8d..4cad96e 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -5997,13 +5997,12 @@ 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);
--
1.9.1
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