1 files changed, 4 insertions, 2 deletions
diff --git a/net/disk_cache/file_posix.cc b/net/disk_cache/file_posix.cc
index 087ff13..6f78b7a 100644
--- a/net/disk_cache/file_posix.cc
+++ b/net/disk_cache/file_posix.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -260,7 +260,9 @@ bool File::SetLength(size_t length) {
 
 size_t File::GetLength() {
   DCHECK(init_);
-  size_t ret = lseek(platform_file_, 0, SEEK_END);
+  off_t ret = lseek(platform_file_, 0, SEEK_END);
+  if (ret < 0)
+    return 0;
   return ret;
 }