mt7601u: check return value of alloc_skb
authorPan Bian <bianpan2016@163.com>
Sun, 23 Apr 2017 07:00:23 +0000 (15:00 +0800)
committerKalle Valo <kvalo@codeaurora.org>
Wed, 26 Apr 2017 09:01:58 +0000 (12:01 +0300)
commit5fb01e91daf84ad1e50edfcf63116ecbe31e7ba7
tree10eae0ab48903176f0384d0fc9130fea7f32e156
parent2f6ae79cb04bb7f9b4be3f1c32b6fda35bf976bc
mt7601u: check return value of alloc_skb

Function alloc_skb() will return a NULL pointer if there is no enough
memory. However, in function mt7601u_mcu_msg_alloc(), its return value
is not validated before it is used. This patch fixes it.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/mediatek/mt7601u/mcu.c