From b62d2706a754887800a7cec4eb0592a9263a38fc Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 1 Oct 2020 14:11:00 -0400 Subject: lift rcu_read_lock() into reverse_path_check() Signed-off-by: Al Viro --- fs/eventpoll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/eventpoll.c') diff --git a/fs/eventpoll.c b/fs/eventpoll.c index c40576e62728..06674515132c 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1257,7 +1257,6 @@ static int reverse_path_check_proc(struct file *file, int depth) return -1; /* CTL_DEL can remove links here, but that can't increase our count */ - rcu_read_lock(); hlist_for_each_entry_rcu(epi, &file->f_ep_links, fllink) { struct file *recepient = epi->ep->file; if (WARN_ON(!is_file_epoll(recepient))) @@ -1269,7 +1268,6 @@ static int reverse_path_check_proc(struct file *file, int depth) if (error != 0) break; } - rcu_read_unlock(); return error; } @@ -1291,7 +1289,9 @@ static int reverse_path_check(void) /* let's call this for all tfiles */ list_for_each_entry(current_file, &tfile_check_list, f_tfile_llink) { path_count_init(); + rcu_read_lock(); error = reverse_path_check_proc(current_file, 0); + rcu_read_unlock(); if (error) break; } -- cgit v1.2.3-59-g8ed1b