Re: divide error in dummy_timer

[syzbot]

Hello,

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

Reported-and-tested-by:  
syzbot+8ab8bf161038a8768553@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         22be26f7 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=5fe29bc39eff9627
dashboard link: https://syzkaller.appspot.com/bug?extid=8ab8bf161038a8768553
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=14f2fda7600000

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