[PATCH 30/30] staging: sync: Fix timeout = 0 wait behavior

From: John Stultz
Date: Thu Feb 28 2013 - 19:44:42 EST


From: Jamie Gennis <jgennis@xxxxxxxxxx>

Fix wait behavior on timeout == 0 case

Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
Cc: Erik Gilling <konkers@xxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Rob Clark <robclark@xxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx>
Signed-off-by: Jamie Gennis <jgennis@xxxxxxxxxx>
[jstultz: Added commit message]
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
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;
}

--
1.7.10.4

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