From: Lyude Paul <lyude@redhat.com>
Date: Tue, 3 Sep 2019 20:45:52 +0000 (-0400)
Subject: drm/dp_mst: Destroy topology_mgr mutexes
X-Git-Tag: v5.5-rc1~28^2~42^2~64
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=50094b5dcd3238c0cf91a5768d0316adaeb32e45;p=tomoyo%2Ftomoyo-test1.git

drm/dp_mst: Destroy topology_mgr mutexes

Turns out we've been forgetting for a while now to actually destroy any
of the mutexes that we create in drm_dp_mst_topology_mgr. So, let's do
that.

Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190903204645.25487-15-lyude@redhat.com
---

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 97216099a718..624adb0fc4b2 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -4297,6 +4297,11 @@ void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr)
 	mgr->aux = NULL;
 	drm_atomic_private_obj_fini(&mgr->base);
 	mgr->funcs = NULL;
+
+	mutex_destroy(&mgr->delayed_destroy_lock);
+	mutex_destroy(&mgr->payload_lock);
+	mutex_destroy(&mgr->qlock);
+	mutex_destroy(&mgr->lock);
 }
 EXPORT_SYMBOL(drm_dp_mst_topology_mgr_destroy);