Not clearing mst manager's proposed vcpis table for destroyed
connectors when the manager is stopped leaves it pointing to
unrefernced memory, this causes pagefault when the manager is
restarted when plugging back a branch.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@xxxxxxx>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 9971c46..cd6014b 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -2881,11 +2881,9 @@ static void drm_dp_destroy_connector_work(struct work_struct *work)
drm_dp_port_teardown_pdt(port, port->pdt);
if (!port->input && port->vcpi.vcpi > 0) {
- if (mgr->mst_state) {
- drm_dp_mst_reset_vcpi_slots(mgr, port);
- drm_dp_update_payload_part1(mgr);
- drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi);
- }
+ drm_dp_mst_reset_vcpi_slots(mgr, port);
+ drm_dp_update_payload_part1(mgr);
+ drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi);
}
kref_put(&port->kref, drm_dp_free_mst_port);
--
1.9.1
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