[PATCH] 9p: fix leak on error path

If register_filesystem() fails mux workqueue must be killed.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@lanl.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 22f7ccd58d38..0f628041e3f7 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -460,8 +460,10 @@ static int __init init_v9fs(void)
 
         ret = v9fs_mux_global_init();
         if (!ret)
-                ret = register_filesystem(&v9fs_fs_type);
-
+                return ret;
+        ret = register_filesystem(&v9fs_fs_type);
+        if (!ret)
+                v9fs_mux_global_exit();
         return ret;
 }