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drm/vmwgfx: Fix fence event code
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>
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@ -1087,6 +1087,8 @@ static int vmw_event_fence_action_create(struct drm_file *file_priv,
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if (ret != 0)
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goto out_no_queue;
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return 0;
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out_no_queue:
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event->base.destroy(&event->base);
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out_no_event:
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@ -1162,17 +1164,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
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BUG_ON(fence == NULL);
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if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME)
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ret = vmw_event_fence_action_create(file_priv, fence,
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arg->flags,
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arg->user_data,
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true);
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else
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ret = vmw_event_fence_action_create(file_priv, fence,
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arg->flags,
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arg->user_data,
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true);
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ret = vmw_event_fence_action_create(file_priv, fence,
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arg->flags,
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arg->user_data,
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true);
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if (unlikely(ret != 0)) {
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if (ret != -ERESTARTSYS)
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DRM_ERROR("Failed to attach event to fence.\n");
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