Commit db8f7be1 authored by Yang Yingliang's avatar Yang Yingliang Committed by David S. Miller

net: sgi: ioc3-eth: 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>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent daf6e8c9
...@@ -835,6 +835,10 @@ static int ioc3eth_probe(struct platform_device *pdev) ...@@ -835,6 +835,10 @@ static int ioc3eth_probe(struct platform_device *pdev)
int err; int err;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "Invalid resource\n");
return -EINVAL;
}
/* get mac addr from one wire prom */ /* get mac addr from one wire prom */
if (ioc3eth_get_mac_addr(regs, mac_addr)) if (ioc3eth_get_mac_addr(regs, mac_addr))
return -EPROBE_DEFER; /* not available yet */ return -EPROBE_DEFER; /* not available yet */
......
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