From 246fa345a1b72fddb9b2b81f32abd615a5d1c0af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <deathsimple@vodafone.de>
Date: Wed, 11 Jul 2012 17:12:11 +0200
Subject: drm/radeon: return an error if there is nothing to wait for
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 246fa345a1b72fddb9b2b81f32abd615a5d1c0af
Patch-mainline: v3.6-rc1

Otherwise the sa managers out of memory
handling doesn't work.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Michal Srb <msrb@suse.com>
---
 drivers/gpu/drm/radeon/radeon_fence.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 76c5b22..7a181c3 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -331,7 +331,7 @@ static int radeon_fence_wait_any_seq(struct radeon_device *rdev,
 
 	/* nothing to wait for ? */
 	if (ring == RADEON_NUM_RINGS) {
-		return 0;
+		return -ENOENT;
 	}
 
 	while (!radeon_fence_any_seq_signaled(rdev, target_seq)) {

