From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Date: Thu, 20 Oct 2016 14:50:03 +0000 (-0200)
Subject: drm/fence: release fence reference when canceling event
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=838de39fc9516470b1410cc068c7f41daec69265;p=openwrt%2Fstaging%2Fblogic.git

drm/fence: release fence reference when canceling event

If the event gets canceled we also need to put away the fence
reference it holds.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1476975005-30441-3-git-send-email-gustavo@padovan.org
---

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index e84faecf5225..8bed5f459182 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -663,6 +663,10 @@ void drm_event_cancel_free(struct drm_device *dev,
 		list_del(&p->pending_link);
 	}
 	spin_unlock_irqrestore(&dev->event_lock, flags);
+
+	if (p->fence)
+		fence_put(p->fence);
+
 	kfree(p);
 }
 EXPORT_SYMBOL(drm_event_cancel_free);