net: w5100: check return value after calling platform_get_resource()
authorYang Yingliang <yangyingliang@huawei.com>
Tue, 31 Aug 2021 08:40:18 +0000 (16:40 +0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 31 Aug 2021 11:08:42 +0000 (12:08 +0100)
commita39ff4a47f3e1da3b036817ef436b1a9be10783a
tree8fef5e025d7d91f927d5ddd9b1c65e1ccb0ea37d
parent464a57281f29afc202905b456b0cb8bc729b383a
net: w5100: check return value after calling platform_get_resource()

It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/wiznet/w5100.c