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File locking bugfix for v4.21 

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Merge tag 'locks-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/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()
This commit is contained in:
Linus Torvalds 2019-01-03 14:33:46 -08:00
parent 810574ca7e bf77ae4c98
commit 135143b2ca
1 changed files with 1 additions and 1 deletions
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2
fs/locks.c
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@ -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);
}