Btrfs: fix extent buffer leak after backref walking

commit 47fb091(Btrfs: fix unlock after free on rewinded tree blocks) takes an extra increment on the reference of allocated dummy extent buffer, so now we cannot free this dummy one, and end up with extent buffer leak. Signed-off-by: Liu Bo <[email protected]> Reviewed-by: Jan Schmidt <[email protected]> Signed-off-by: Josef Bacik <[email protected]> Signed-off-by: Chris Mason <[email protected]>
ambv · Aug 9, 2013 · b5b9b5b · b5b9b5b
1 parent e68afa4
commit b5b9b5b
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
@@ -1271,7 +1271,6 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
 		BUG_ON(!eb_rewin);
 	}
 
-	extent_buffer_get(eb_rewin);
 	btrfs_tree_read_unlock(eb);
 	free_extent_buffer(eb);