| Message ID | 20210605080914.2057758-1-yangyingliang@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource() | expand |
diff --git a/drivers/usb/misc/brcmstb-usb-pinmap.c b/drivers/usb/misc/brcmstb-usb-pinmap.c index b3cfe8666ea7..336653091e3b 100644 --- a/drivers/usb/misc/brcmstb-usb-pinmap.c +++ b/drivers/usb/misc/brcmstb-usb-pinmap.c @@ -263,6 +263,8 @@ static int __init brcmstb_usb_pinmap_probe(struct platform_device *pdev) return -EINVAL; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) + return -EINVAL; pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata) +
It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value. Fixes: 517c4c44b323 ("usb: Add driver to allow any GPIO to be used for 7211 USB signals") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/usb/misc/brcmstb-usb-pinmap.c | 2 ++ 1 file changed, 2 insertions(+)