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drm/vmwgfx: Fix fence event code

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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.

Cc: <stable@vger.kernel.org>
Reported-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Thomas Hellstrom 2014-12-02 03:36:57 -08:00
parent 1f563a6a46
commit 89669e7a7f
1 changed files with 6 additions and 11 deletions
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17
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
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@ -1087,6 +1087,8 @@ static 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:
@ -1162,17 +1164,10 @@ 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");