From: Guenter Roeck
Date: Wed, 9 Nov 2016 19:51:25 -0800
> If usb_submit_urb() called from the open function fails, the following
> crash may be observed.
...
> Clean up error handling to avoid registering the notifier if the open
> function is going to fail.
>
> Signed-off-by: Guenter Roeck
If usb_submit_urb() called from the open function fails, the following
crash may be observed.
r8152 8-1:1.0 eth0: intr_urb submit failed: -19
...
r8152 8-1:1.0 eth0: v1.08.3
Unable to handle kernel paging request at virtual address 6b6b6b6b6b6b6b7b
pgd = ffc0e7305000
[6b6b6b6b6b6b6b7b] *pgd=00
