From 7b985f6aedad882c7b3332032bd9265ec42fc871 Mon Sep 17 00:00:00 2001
From: Jesse Zhao <jessezhao@google.com>
Date: Mon, 2 Mar 2015 16:53:08 -0800
Subject: [PATCH] Fix the error that free_string is not defined.

Change-Id: I7490a91ea930daaf194dad0c8b3a3357558b4770
Bug:19573713
(cherry picked from commit 7ca20d1a1c422dddbdca97c7927cfadd6c38dc68)
---
 tools/releasetools/blockimgdiff.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/releasetools/blockimgdiff.py b/tools/releasetools/blockimgdiff.py
index 0646c5fd89..5cf0f2d1f5 100644
--- a/tools/releasetools/blockimgdiff.py
+++ b/tools/releasetools/blockimgdiff.py
@@ -294,6 +294,8 @@ class BlockImageDiff(object):
       if stashed_blocks > max_stashed_blocks:
         max_stashed_blocks = stashed_blocks
 
+      free_string = []
+
       if self.version == 1:
         src_string = xf.src_ranges.to_string_raw()
       elif self.version >= 2:
@@ -306,7 +308,6 @@ class BlockImageDiff(object):
 
         size = xf.src_ranges.size()
         src_string = [str(size)]
-        free_string = []
 
         unstashed_src_ranges = xf.src_ranges
         mapped_stashes = []