commit | 38129a13e6e71f666e0468e99fdd932a687b4d7e | [log] [tgz] |
---|---|---|
author | Al Viro <viro@zeniv.linux.org.uk> | Thu Mar 20 21:10:51 2014 -0400 |
committer | Al Viro <viro@zeniv.linux.org.uk> | Sun Mar 30 19:18:51 2014 -0400 |
tree | 438e817fdf7d224f9fda1186eb24b1bbc37a4b5c | |
parent | 0b1b901b5a98bb36943d10820efc796f7cd45ff3 [diff] |
switch mnt_hash to hlist fixes RCU bug - walking through hlist is safe in face of element moves, since it's self-terminating. Cyclic lists are not - if we end up jumping to another hash chain, we'll loop infinitely without ever hitting the original list head. [fix for dumb braino folded] Spotted by: Max Kellermann <mk@cm4all.com> Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>