From: Fabian Frederick <fabf@skynet.be>
Date: Tue, 12 May 2020 18:18:03 +0000 (+0200)
Subject: fsnotify: add mutex destroy
X-Git-Tag: v5.8-rc1~147^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=191e1656d18c47d8815f6618431a387d99944884;p=thirdparty%2Fkernel%2Flinux.git

fsnotify: add mutex destroy

Call mutex_destroy() before freeing notification group. This only adds
some additional debug checks when mutex debugging is enabled but still
it may be useful.

Link: https://lore.kernel.org/r/20200512181803.405832-1-fabf@skynet.be
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/notify/group.c b/fs/notify/group.c
index 133f723aca070..a4a4b1c64d32a 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -25,6 +25,7 @@ static void fsnotify_final_destroy_group(struct fsnotify_group *group)
 		group->ops->free_group_priv(group);
 
 	mem_cgroup_put(group->memcg);
+	mutex_destroy(&group->mark_mutex);
 
 	kfree(group);
 }