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drm/dp_mst: Simplify error path in drm_dp_mst_handle_down_rep()

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Simplify the error return path in drm_dp_mst_handle_down_rep(),
preparing for the next patch.

While at it use reset_msg_rx_state() instead of open-coding it.

Cc: Lyude Paul <lyude@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241203160223.2926014-4-imre.deak@intel.com
This commit is contained in:
Imre Deak 2024-12-03 18:02:19 +02:00
parent 4d49e77a97
commit b559b68d27
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/drm/display/drm_dp_mst_topology.c
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@ -4013,9 +4013,6 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
txmsg->reply.u.nak.nak_data);
}
memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx));
drm_dp_mst_topology_put_mstb(mstb);
mutex_lock(&mgr->qlock);
txmsg->state = DRM_DP_SIDEBAND_TX_RX;
list_del(&txmsg->next);
@ -4023,10 +4020,8 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
wake_up_all(&mgr->tx_waitq);
return 0;
out_clear_reply:
memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx));
reset_msg_rx_state(msg);
out:
if (mstb)
drm_dp_mst_topology_put_mstb(mstb);