From 820d220de400cfaaf846a2d8b5de93f9ea5a9b80 Mon Sep 17 00:00:00 2001
From: James Morris <jmorris@namei.org>
Date: Sat, 27 Aug 2005 13:47:06 +0200
Subject: [PATCH] [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>
---
drivers/isdn/capi/capifs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index f8570fd9d2abb..3abd7fc6e5ef3 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);
--
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