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Subject[PATCH 16/18] HID: uhid: Use kmemdup instead of kmalloc + memcpy
Date
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>
---
Tested by compilation without errors.

drivers/hid/uhid.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 0d078c3..0cb92e3 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -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);


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