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drivers: net: smc911x: Check for error irq

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[ Upstream commit cb93b3e11d ]

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: ae150435b5 ("smsc: Move the SMC (SMSC) drivers")
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>
This commit is contained in:
Jiasheng Jiang
2021-12-22 15:41:12 +08:00
committed by Greg Kroah-Hartman
parent ca2a15053b
commit 9db0f8d395
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/smsc/smc911x.c
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@@ -2069,6 +2069,11 @@ static int smc911x_drv_probe(struct platform_device *pdev)
ndev->dma = (unsigned char)-1;
ndev->irq = platform_get_irq(pdev, 0);
if (ndev->irq < 0) {
ret = ndev->irq;
goto release_both;
}
lp = netdev_priv(ndev);
lp->netdev = ndev;
#ifdef SMC_DYNAMIC_BUS_CONFIG