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media: siano: Use kmemdup instead of duplicating its function

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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.yang99@zte.com.cn>
CC: Tomoki Sekiyama <tomoki.sekiyama@gmail.com>
CC: linux-kernel@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Wen Yang 2018-12-06 07:29:10 -05:00 committed by Mauro Carvalho Chehab
parent 00c30f42c7
commit 0f4bb10857
1 changed files with 1 additions and 2 deletions
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3
drivers/media/usb/siano/smsusb.c
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@ -225,10 +225,9 @@ static int smsusb_sendrequest(void *context, void *buffer, size_t size)
return -ENOENT;
}
phdr = kmalloc(size, GFP_KERNEL);
phdr = kmemdup(buffer, size, GFP_KERNEL);
if (!phdr)
return -ENOMEM;
memcpy(phdr, buffer, size);
pr_debug("sending %s(%d) size: %d\n",
smscore_translate_msg(phdr->msg_type), phdr->msg_type,