[v2,14/27] drm/dp_mst: Destroy topology_mgr mutexes

Submitted by Lyude Paul on Sept. 3, 2019, 8:45 p.m.

Details

Message ID 20190903204645.25487-15-lyude@redhat.com
State New
Headers show
Series "DP MST Refactors + debugging tools + suspend/resume reprobing" ( rev: 2 ) in Nouveau

Not browsing as part of any series.

Commit Message

Lyude Paul Sept. 3, 2019, 8:45 p.m.
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>
---
 drivers/gpu/drm/drm_dp_mst_topology.c | 5 +++++
 1 file changed, 5 insertions(+)

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diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 74161f442584..2f88cc173500 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -4339,6 +4339,11 @@  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);
 

Comments

On Tue, Sep 03, 2019 at 04:45:52PM -0400, Lyude Paul wrote:
> 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>

Cleanup is overrated :)

Reviewed-by: Sean Paul <sean@poorly.run>


> ---
>  drivers/gpu/drm/drm_dp_mst_topology.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 74161f442584..2f88cc173500 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -4339,6 +4339,11 @@ 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);
>  
> -- 
> 2.21.0
>