[PATCH] Fix capifs bug in initialization error path.

This fixes a bug in the capifs initialization code, where the
filesystem is not unregistered if kern_mount() fails.

Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index f8570fd9d2ab..3abd7fc6e5ef 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -191,8 +191,10 @@ static int __init capifs_init(void)
         err = register_filesystem(&capifs_fs_type);
         if (!err) {
                 capifs_mnt = kern_mount(&capifs_fs_type);
-                if (IS_ERR(capifs_mnt))
+                if (IS_ERR(capifs_mnt)) {
                         err = PTR_ERR(capifs_mnt);
+                        unregister_filesystem(&capifs_fs_type);
+                }
         }
         if (!err)
                 printk(KERN_NOTICE "capifs: Rev %s\n", rev);