From 40fb8cb8f59ccca96bc4ab10b64ac24cabba4ddb Mon Sep 17 00:00:00 2001 From: Salman Qazi Date: Thu, 31 May 2012 23:51:27 -0400 Subject: [PATCH] ext4: add ext4_mb_unload_buddy in the error path commit 02b7831019ea4e7994968c84b5826fa8b248ffc8 upstream. ext4_free_blocks fails to pair an ext4_mb_load_buddy with a matching ext4_mb_unload_buddy when it fails a memory allocation. Signed-off-by: Salman Qazi Signed-off-by: "Theodore Ts'o" Signed-off-by: Ben Hutchings --- fs/ext4/mballoc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index e2d8be8f28bfb..382e4fcb6ced7 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4693,6 +4693,7 @@ do_more: */ new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS); if (!new_entry) { + ext4_mb_unload_buddy(&e4b); err = -ENOMEM; goto error_return; } -- 2.47.3