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Message-Id: <1422483682-15393-78-git-send-email-kamal@canonical.com>
Date: Wed, 28 Jan 2015 14:20:20 -0800
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Thomas Hellstrom <thellstrom@...are.com>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13.y-ckt 077/139] drm/vmwgfx: Fix fence event code
3.13.11-ckt15 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Hellstrom <thellstrom@...are.com>
commit 89669e7a7f96be3ee8d9a22a071d7c0d3b4428fc upstream.
The commit "vmwgfx: Rework fence event action" introduced a number of bugs
that are fixed with this commit:
a) A forgotten return stateemnt.
b) An if statement with identical branches.
Reported-by: Rob Clark <robdclark@...il.com>
Signed-off-by: Thomas Hellstrom <thellstrom@...are.com>
Reviewed-by: Jakob Bornecrantz <jakob@...are.com>
Reviewed-by: Sinclair Yeh <syeh@...are.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index dc338fe..425a81b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1032,6 +1032,8 @@ int vmw_event_fence_action_create(struct drm_file *file_priv,
if (ret != 0)
goto out_no_queue;
+ return 0;
+
out_no_queue:
event->base.destroy(&event->base);
out_no_event:
@@ -1106,17 +1108,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
BUG_ON(fence == NULL);
- if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME)
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
- else
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
-
+ ret = vmw_event_fence_action_create(file_priv, fence,
+ arg->flags,
+ arg->user_data,
+ true);
if (unlikely(ret != 0)) {
if (ret != -ERESTARTSYS)
DRM_ERROR("Failed to attach event to fence.\n");
--
1.9.1
--
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