prev_slots 3247 drivers/gpu/drm/drm_dp_mst_topology.c int prev_slots, req_slots, ret; prev_slots 3257 drivers/gpu/drm/drm_dp_mst_topology.c prev_slots = vcpi->vcpi; prev_slots 3264 drivers/gpu/drm/drm_dp_mst_topology.c if (WARN_ON(!prev_slots)) { prev_slots 3274 drivers/gpu/drm/drm_dp_mst_topology.c prev_slots = 0; prev_slots 3280 drivers/gpu/drm/drm_dp_mst_topology.c port, prev_slots, req_slots);