Re: WARNING in perf_reg_value

syzbot suspects this bug was fixed by commit:

commit 311633b604063a8a5d3fbc74d0565b42df721f68
Author: Cong Wang [off-list ref]
Date:   Wed Jul 10 06:24:54 2019 +0000

     hsr: switch ->dellink() to ->ndo_uninit()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13e241dae00000
start commit:   e01e060f Merge tag 'platform-drivers-x86-v5.2-3' of git://..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586
dashboard link: https://syzkaller.appspot.com/bug?extid=10189b9b0f8c4664badd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16615caea00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14a222aea00000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: hsr: switch ->dellink() to ->ndo_uninit()

For information about bisection process see: https://goo.gl/tpsmEJ#bisection