Message ID | 1459455431-12687-132-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 818369a..7792c0e 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -499,11 +499,15 @@ static int usb_unbind_interface(struct device *dev) int usb_driver_claim_interface(struct usb_driver *driver, struct usb_interface *iface, void *priv) { - struct device *dev = &iface->dev; + struct device *dev; struct usb_device *udev; int retval = 0; int lpm_disable_error; + if (!iface) + return -ENODEV; + + dev = &iface->dev; if (dev->driver) return -EBUSY;