[PATCH] cramfs: rewrite init_cramfs_fs()

Two lines -- two bugs. :-(

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index ad96b69..a624c3e 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -543,8 +543,15 @@
 
 static int __init init_cramfs_fs(void)
 {
-	cramfs_uncompress_init();
-	return register_filesystem(&cramfs_fs_type);
+	int rv;
+
+	rv = cramfs_uncompress_init();
+	if (rv < 0)
+		return rv;
+	rv = register_filesystem(&cramfs_fs_type);
+	if (rv < 0)
+		cramfs_uncompress_exit();
+	return rv;
 }
 
 static void __exit exit_cramfs_fs(void)