Commit 135143b2 authored Jan 03, 2019 by Linus Torvalds

linux

Pull file locking bugfix from Jeff Layton:
 "This is a one-line fix for a bug that syzbot turned up in the new
  patches to mitigate the thundering herd when a lock is released"

* tag 'locks-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
  locks: fix error in locks_move_blocks()

parents 810574ca bf77ae4c

fs/locks.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -453,7 +453,7 @@ static void locks_move_blocks(struct file_lock new, struct file_lock fl)
		return;
		spin_lock(&blocked_lock_lock);
		list_splice_init(&fl->fl_blocked_requests, &new->fl_blocked_requests);
		list_for_each_entry(f, &fl->fl_blocked_requests, fl_blocked_member)
		list_for_each_entry(f, &new->fl_blocked_requests, fl_blocked_member)
		f->fl_blocker = new;
		spin_unlock(&blocked_lock_lock);
		}