[PATCH 07/10] net: ethernet: smsc: Handle return value of platform_get_irq
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STALE3238d
From: Arvind Yadav <hidden>
Date: 2017-12-02 19:27:03
Also in:
linux-arm-kernel, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <redacted> --- 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 0515744..a1cf18c 100644
--- a/drivers/net/ethernet/smsc/smc911x.c
+++ b/drivers/net/ethernet/smsc/smc911x.c@@ -2088,6 +2088,11 @@ 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 ? ndev->irq : -ENODEV; + goto release_both; + } + lp = netdev_priv(ndev); lp->netdev = ndev; #ifdef SMC_DYNAMIC_BUS_CONFIG
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2.7.4