Commit 5c2d867f authored Mar 31, 2013 by Wang Shilong Committed by Josef Bacik May 06, 2013

Btrfs: fix double free in the iterate_extent_inodes()



If btrfs_find_all_roots() fails, 'roots' has been freed or 'roots'
fails to allocate. We don't need to free it outside btrfs_find_all_roots()
again.Fix it.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

parent f1723939

fs/btrfs/backref.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -1510,11 +1510,9 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
		iterate, ctx);
		}
		ulist_free(roots);
		roots = NULL;
		}

		free_leaf_list(refs);
		ulist_free(roots);
		out:
		if (!search_commit_root) {
		btrfs_put_tree_mod_seq(fs_info, &tree_mod_seq_elem);