tree 48e71e89ec43f9869327fc81f1b8c83ffb60c72d
parent 52c479697c9b73f628140dcdfcd39ea302d05482
author Al Viro <viro@zeniv.linux.org.uk> 1599060648 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1599060648 -0400

fix regression in "epoll: Keep a reference on files added to the check list"

epoll_loop_check_proc() can run into a file already committed to destruction;
we can't grab a reference on those and don't need to add them to the set for
reverse path check anyway.

Tested-by: Marc Zyngier <maz@kernel.org>
Fixes: a9ed4a6560b8 ("epoll: Keep a reference on files added to the check list")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>