net: dsa: qca8k: Add check for skb_copy
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Mon, 10 Jul 2023 01:39:07 +0000 (09:39 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 10 Jul 2023 07:21:53 +0000 (08:21 +0100)
commit87355b7c3da9bfd81935caba0ab763355147f7b0
treeb5f683ae9391ab6ec7142bb47a1009f9f681d7a6
parent73c4d1b307aeb713e80ab03f90c7df9d417dc0f0
net: dsa: qca8k: Add check for skb_copy

Add check for the return value of skb_copy in order to avoid NULL pointer
dereference.

Fixes: 2cd548566384 ("net: dsa: qca8k: add support for phy read/write with mgmt Ethernet")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/dsa/qca/qca8k-8xxx.c