--- linux-2.6.13.4/mm/tiny-shmem.c	2005-10-10 13:54:29.000000000 -0500
+++ linux-2.6.13.4-edit/mm/tiny-shmem.c	2005-10-24 03:43:38.614071000 -0500
@@ -31,12 +31,18 @@
 
 static int __init init_tmpfs(void)
 {
-	register_filesystem(&tmpfs_fs_type);
+	int error;
+
+	error = register_filesystem(&tmpfs_fs_type);
+	BUG_ON(error);
+
 #ifdef CONFIG_TMPFS
 	devfs_mk_dir("shm");
 #endif
 	shm_mnt = kern_mount(&tmpfs_fs_type);
-	return 0;
+	BUG_ON(IS_ERR(shm_mnt));
+
+	return error;
 }
 module_init(init_tmpfs)