drivers: net: smc911x: Check for error irq
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Wed, 22 Dec 2021 07:41:12 +0000 (15:41 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 29 Dec 2021 11:17:34 +0000 (12:17 +0100)
commit8b666438be16b2efceb74343c2fbd3503efbeca3
tree82bcd12b6476de9e0ea625dc23bded9062165132
parenta4c0bb9697cac643dcaec091fb9095acb7435017
drivers: net: smc911x: Check for error irq

[ Upstream commit cb93b3e11d405f20a405a07482d01147ef4934a3 ]

Because platform_get_irq() could fail and return error irq.
Therefore, it might be better to check it if order to avoid the use of
error irq.

Fixes: ae150435b59e ("smsc: Move the SMC (SMSC) drivers")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/smsc/smc911x.c