net: ks8851: Check for error irq
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Wed, 22 Dec 2021 07:59:44 +0000 (15:59 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 29 Dec 2021 11:28:44 +0000 (12:28 +0100)
commit8307c1ecd36691718cc4044c8f8e87c8e0cc82f8
tree725b9a1f1fdde353f5e8345cc1bb96d2ac8cb33e
parent98a5242e82f223baadb3d6d1f6ddaca400b57eb6
net: ks8851: Check for error irq

[ Upstream commit 99d7fbb5cedf598f67e8be106d6c7b8d91366aef ]

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: 797047f875b5 ("net: ks8851: Implement Parallel bus operations")
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/micrel/ks8851_par.c