From 437cf8b162a48b1cb5c6d70edac301228ceb3ab7 Mon Sep 17 00:00:00 2001
From: David Rajchenbach-Teller <dteller@mozilla.com>
Date: Fri, 30 Aug 2013 08:15:13 -0400
Subject: [PATCH] Bug 874425 - Ensure that durationMs >= 0. r=yoric

---
 toolkit/components/osfile/modules/osfile_async_front.jsm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/toolkit/components/osfile/modules/osfile_async_front.jsm b/toolkit/components/osfile/modules/osfile_async_front.jsm
index d86f1432777f..a43790d204d6 100644
--- a/toolkit/components/osfile/modules/osfile_async_front.jsm
+++ b/toolkit/components/osfile/modules/osfile_async_front.jsm
@@ -167,9 +167,9 @@ let Scheduler = {
         let durationMs = Math.max(0, data.durationMs);
         // Accumulate (or initialize) outExecutionDuration
         if (typeof options.outExecutionDuration == "number") {
-          options.outExecutionDuration += data.durationMs;
+          options.outExecutionDuration += durationMs;
         } else {
-          options.outExecutionDuration = data.durationMs;
+          options.outExecutionDuration = durationMs;
         }
         return data.ok;
       },