Commit 74325bf0 authored by Yang Yingliang's avatar Yang Yingliang Committed by David S. Miller
Browse files

net: bcmgenet: check return value after calling platform_get_resource() 



It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Acked-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 90fdd89f

drivers/net/ethernet/broadcom/genet/bcmmii.c

+4 −0
Original line number Diff line number Diff line
@@ -423,6 +423,10 @@ static int bcmgenet_mii_register(struct bcmgenet_priv *priv) 
	int id, ret;



	pres = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!pres) {

		dev_err(&pdev->dev, "Invalid resource\n");

		return -EINVAL;

	}

	memset(&res, 0, sizeof(res));

	memset(&ppd, 0, sizeof(ppd));