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author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-12-22 10:59:44 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-29 14:28:44 +0300 |
commit | 8307c1ecd36691718cc4044c8f8e87c8e0cc82f8 (patch) | |
tree | 725b9a1f1fdde353f5e8345cc1bb96d2ac8cb33e /drivers/net/ethernet | |
parent | 98a5242e82f223baadb3d6d1f6ddaca400b57eb6 (diff) | |
download | linux-8307c1ecd36691718cc4044c8f8e87c8e0cc82f8.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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/micrel/ks8851_par.c | 2 |
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 2e8fcce50f9d..c6f517c07bb9 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); } |