Messages in this thread Patch in this message | | | From | Jiasheng Jiang <> | Subject | [PATCH] drivers: net: smc911x: Check for error irq | Date | Wed, 22 Dec 2021 15:41:12 +0800 |
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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: ae150435b59e ("smsc: Move the SMC (SMSC) drivers") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> --- drivers/net/ethernet/smsc/smc911x.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 22cdbf12c823..ce05d79528d7 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -2070,6 +2070,11 @@ 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 -- 2.25.1
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