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authorJiasheng Jiang <jiasheng@iscas.ac.cn>2021-12-22 10:59:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-12-29 14:25:58 +0300
commit75c962f02a4ff639caaf1e5f075eb93b4e284972 (patch)
tree91d04982b0a24ea7e0c9fbb7c434298473854879
parent9db0f8d395fd3af0952a6e4d66fbd11a83e34e8a (diff)
downloadlinux-75c962f02a4ff639caaf1e5f075eb93b4e284972.tar.xz
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>
-rw-r--r--drivers/net/ethernet/micrel/ks8851_par.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c
index 3bab0cb2b1a5..c7c99cc54ca1 100644
--- a/drivers/net/ethernet/micrel/ks8851_par.c
+++ b/drivers/net/ethernet/micrel/ks8851_par.c
@@ -323,6 +323,8 @@ static int ks8851_probe_par(struct platform_device *pdev)
return ret;
netdev->irq = platform_get_irq(pdev, 0);
+ if (netdev->irq < 0)
+ return netdev->irq;
return ks8851_probe_common(netdev, dev, msg_enable);
}