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HID: uhid: Use kmemdup instead of kmalloc + memcpy 

This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benoit Taine 2014-05-26 17:21:25 +02:00 committed by Jiri Kosina
parent 37c492c8f6
commit 662d4ceae8
1 changed files with 2 additions and 3 deletions
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5
drivers/hid/uhid.c
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@ -441,12 +441,11 @@ static int uhid_dev_create2(struct uhid_device *uhid,
if (uhid->rd_size <= 0 || uhid->rd_size > HID_MAX_DESCRIPTOR_SIZE)
return -EINVAL;
uhid->rd_data = kmalloc(uhid->rd_size, GFP_KERNEL);
uhid->rd_data = kmemdup(ev->u.create2.rd_data, uhid->rd_size,
GFP_KERNEL);
if (!uhid->rd_data)
return -ENOMEM;
memcpy(uhid->rd_data, ev->u.create2.rd_data, uhid->rd_size);
hid = hid_allocate_device();
if (IS_ERR(hid)) {
ret = PTR_ERR(hid);