[PATCH] fat: fix slab cache leak

This patch plugs a slab cache leak in fat module initialization.
Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi>
Acked-by: NOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

fs/fat/inode.c

@@ -1331,12 +1331,21 @@ void __exit fat_cache_destroy(void);
 
 static int __init init_fat_fs(void)
 {
-	int ret;
+	int err;
 
-	ret = fat_cache_init();
-	if (ret < 0)
-		return ret;
-	return fat_init_inodecache();
+	err = fat_cache_init();
+	if (err)
+		return err;
+
+	err = fat_init_inodecache();
+	if (err)
+		goto failed;
+
+	return 0;
+
+failed:
+	fat_cache_destroy();
+	return err;
 }
 
 static void __exit exit_fat_fs(void)