| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 25/76] net: ks8851: Check for error irq | Date | Mon, 27 Dec 2021 16:30:40 +0100 |
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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 3bab0cb2b1a56..c7c99cc54ca11 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); } -- 2.34.1
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