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>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 6773938..b7594cb 100644 (file)
--- 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(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");