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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>
This commit is contained in:
tom.leiming@gmail.com 2012-04-29 22:51:03 +00:00 committed by David S. Miller
parent 720f3d7cb1
commit a4723848d0
1 changed files with 3 additions and 1 deletions
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4
drivers/net/usb/usbnet.c
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@ -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);