3.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reviewed-by: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1087,6 +1087,8 @@ static int vmw_event_fence_action_create
if (ret != 0)
goto out_no_queue;
+ return 0;
+
out_no_queue:
event->base.destroy(&event->base);
out_no_event:
@@ -1162,17 +1164,10 @@ int vmw_fence_event_ioctl(struct drm_dev
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");
--
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