This is a note to let you know that I've just added the patch titled
sget(): handle failures of register_shrinker()
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: sget-handle-failures-of-register_shrinker.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Wed Feb 28 16:19:30 CET 2018
From: Al Viro viro@zeniv.linux.org.uk Date: Mon, 18 Dec 2017 15:05:07 -0500 Subject: sget(): handle failures of register_shrinker()
From: Al Viro viro@zeniv.linux.org.uk
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ]
Signed-off-by: Al Viro viro@zeniv.linux.org.uk Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/super.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
--- a/fs/super.c +++ b/fs/super.c @@ -497,7 +497,11 @@ retry: hlist_add_head(&s->s_instances, &type->fs_supers); spin_unlock(&sb_lock); get_filesystem(type); - register_shrinker(&s->s_shrink); + err = register_shrinker(&s->s_shrink); + if (err) { + deactivate_locked_super(s); + s = ERR_PTR(err); + } return s; }
Patches currently in stable-queue which might be from viro@zeniv.linux.org.uk are
queue-4.4/sget-handle-failures-of-register_shrinker.patch