Re: WARNING in gpio_to_desc

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+cf35b76f35e068a1107f@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         6a3599ce usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git usb-fuzzer
kernel config:  https://syzkaller.appspot.com/x/.config?x=d90745bdf884fc0a
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=126cd1a4600000

Note: testing is done by a robot and is best-effort only.