From 573632c2eaf87429a89490173f34682bb71f6883 Mon Sep 17 00:00:00 2001
From: Jamie Gennis <jgennis@google.com>
Date: Thu, 28 Feb 2013 16:43:26 -0800
Subject: [PATCH] staging: sync: Fix timeout = 0 wait behavior

Fix wait behavior on timeout == 0 case

Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <robclark@gmail.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: Jamie Gennis <jgennis@google.com>
[jstultz: Added commit message]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/android/sync.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 9b8b0e9..b9bb974 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -616,10 +616,12 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
 		return fence->status;
 	}
 
-	if (fence->status == 0 && timeout > 0) {
-		pr_info("fence timeout on [%p] after %dms\n", fence,
-			jiffies_to_msecs(timeout));
-		sync_dump();
+	if (fence->status == 0) {
+		if (timeout > 0) {
+			pr_info("fence timeout on [%p] after %dms\n", fence,
+				jiffies_to_msecs(timeout));
+			sync_dump();
+		}
 		return -ETIME;
 	}
 
-- 
2.7.4