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 at vger.kernel.org>
Reported-by: Rob Clark <robdclark at gmail.com>
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob at vmware.com>
Reviewed-by: Sinclair Yeh <syeh at vmware.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 6773938..b7594cb 100644
--- 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");
-- 
2.1.0

Reply via email to