From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ 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 | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c index 2e8fcce50f9d1..c6f517c07bb9a 100644 --- a/drivers/net/ethernet/micrel/ks8851_par.c +++ b/drivers/net/ethernet/micrel/ks8851_par.c @@ -321,6 +321,8 @@ 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); }