[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>
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index f8570fd..3abd7fc 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -191,8 +191,10 @@
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);