Patch "Btrfs: fix memory leak in do_walk_down" has been added to the 4.8-stable tree

This is a note to let you know that I've just added the patch titled

Btrfs: fix memory leak in do_walk_down

to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
btrfs-fix-memory-leak-in-do_walk_down.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Liu Bo <[email protected]>
Date: Tue, 13 Sep 2016 19:02:27 -0700
Subject: Btrfs: fix memory leak in do_walk_down

From: Liu Bo <[email protected]>

commit a958eab0ed7fdc1b977bc25d3af6efedaa945488 upstream.

The extent buffer 'next' needs to be free'd conditionally.

---
 fs/btrfs/extent-tree.c |    1 +
 1 file changed, 1 insertion(+)

@@ -8886,6 +8886,7 @@ static noinline int do_walk_down(struct
 				       &wc->flags[level - 1]);
 	if (ret < 0) {
 		btrfs_tree_unlock(next);
+		free_extent_buffer(next);
 		return ret;
 	}
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.8/btrfs-fix-memory-leak-in-reading-btree-blocks.patch queue-4.8/btrfs-fix-emptiness-check-for-dirtied-extent-buffers-at-check_leaf.patch queue-4.8/btrfs-bail-out-if-block-group-has-different-mixed-flag.patch queue-4.8/btrfs-return-gracefully-from-balance-if-fs-tree-is-corrupted.patch queue-4.8/btrfs-don-t-bug-during-drop-snapshot.patch queue-4.8/btrfs-fix-bug_on-in-btrfs_mark_buffer_dirty.patch queue-4.8/btrfs-fix-memory-leak-in-do_walk_down.patch