[PATCH ISDN] Fix capifs bug in initialization error path.

[James Morris <jmorris@namei.org>]

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

Please apply.

Signed-off-by: James Morris <jmorris@namei.org>

---

 capifs.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)


diff -purN -X dontdiff linux-2.6.13-mm2.o/drivers/isdn/capi/capifs.c linux-2.6.13-mm2.x/drivers/isdn/capi/capifs.c
--- linux-2.6.13-mm2.o/drivers/isdn/capi/capifs.c	2005-03-02 02:37:50.000000000 -0500
+++ linux-2.6.13-mm2.x/drivers/isdn/capi/capifs.c	2005-08-26 23:35:50.000000000 -0400
@@ -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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