diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c index 8229a6fbda5a..717b31d78728 100644 --- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -1009,6 +1009,8 @@ static int tb_dp_dprx_start(struct tb_tunnel *tunnel) */ tb_tunnel_get(tunnel); + tunnel->dprx_started = true; + if (tunnel->callback) { tunnel->dprx_timeout = dprx_timeout_to_ktime(dprx_timeout); queue_delayed_work(tunnel->tb->wq, &tunnel->dprx_work, 0); @@ -1021,9 +1023,12 @@ static int tb_dp_dprx_start(struct tb_tunnel *tunnel) static void tb_dp_dprx_stop(struct tb_tunnel *tunnel) { - tunnel->dprx_canceled = true; - cancel_delayed_work(&tunnel->dprx_work); - tb_tunnel_put(tunnel); + if (tunnel->dprx_started) { + tunnel->dprx_started = false; + tunnel->dprx_canceled = true; + cancel_delayed_work(&tunnel->dprx_work); + tb_tunnel_put(tunnel); + } } static int tb_dp_activate(struct tb_tunnel *tunnel, bool active) diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h index 7f6d3a18a41e..8a0a0cb21a89 100644 --- a/drivers/thunderbolt/tunnel.h +++ b/drivers/thunderbolt/tunnel.h @@ -63,6 +63,7 @@ enum tb_tunnel_state { * @allocated_down: Allocated downstream bandwidth (only for USB3) * @bw_mode: DP bandwidth allocation mode registers can be used to * determine consumed and allocated bandwidth + * @dprx_started: DPRX negotiation was started (tb_dp_dprx_start() was called for it) * @dprx_canceled: Was DPRX capabilities read poll canceled * @dprx_timeout: If set DPRX capabilities read poll work will timeout after this passes * @dprx_work: Worker that is scheduled to poll completion of DPRX capabilities read @@ -100,6 +101,7 @@ struct tb_tunnel { int allocated_up; int allocated_down; bool bw_mode; + bool dprx_started; bool dprx_canceled; ktime_t dprx_timeout; struct delayed_work dprx_work;