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Commit c11a41e2 authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Greg Kroah-Hartman
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drivers: net: smc911x: Check for error irq 



[ Upstream commit cb93b3e11d405f20a405a07482d01147ef4934a3 ]

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: ae150435 ("smsc: Move the SMC (SMSC) drivers")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 5d556b14

drivers/net/ethernet/smsc/smc911x.c

+5 −0
Original line number Diff line number Diff line
@@ -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