usbnet: fix failure handling in usbnet_probe

If register_netdev returns failure, the dev->interrupt and
its transfer buffer should be released, so just fix it.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ca6fd80c2b40..2d927fb4adf4 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1444,7 +1444,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 
         status = register_netdev (net);
         if (status)
-                goto out3;
+                goto out4;
         netif_info(dev, probe, dev->net,
                    "register '%s' at usb-%s-%s, %s, %pM\n",
                    udev->dev.driver->name,
@@ -1462,6 +1462,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 
         return 0;
 
+out4:
+        usb_free_urb(dev->interrupt);
 out3:
         if (info->unbind)
                 info->unbind (dev, udev);