From 3420ea88509f9d585b39f36e737022faf0286d9a Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 17 Nov 2016 17:40:03 +0100 Subject: [PATCH] net: ethernet: ti: cpsw: add missing sanity check Make sure to check for allocation failures before dereferencing a NULL-pointer during probe. Fixes: 649a1688c960 ("net: ethernet: ti: cpsw: create common struct to hold shared driver data") Signed-off-by: Johan Hovold Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/cpsw.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 11b2daef3158..1387299030e4 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2588,6 +2588,9 @@ static int cpsw_probe(struct platform_device *pdev) int irq; cpsw = devm_kzalloc(&pdev->dev, sizeof(struct cpsw_common), GFP_KERNEL); + if (!cpsw) + return -ENOMEM; + cpsw->dev = &pdev->dev; ndev = alloc_etherdev_mq(sizeof(struct cpsw_priv), CPSW_MAX_QUEUES); -- 2.20.1