media: siano: Use kmemdup instead of duplicating its function

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 <[email protected]>
CC: Tomoki Sekiyama <[email protected]>
CC: [email protected]
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Wen Yang 2018-12-06 07:29:10 -05:00 • committed by Mauro Carvalho Chehab
commit 0f4bb10857

View file

@ -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,