diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-03-06 11:56:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-06 11:56:40 +0100 |
| commit | 1941011a8bd26f01f36f827d5ebc6469749485bb (patch) | |
| tree | 841ae1b789ec642bad8782b2e2bf0eda8ac514db /drivers/gpu/drm/drm_dp_mst_topology.c | |
| parent | fdb64822443ec9fb8c3a74b598a74790ae8d2e22 (diff) | |
| parent | b95b4d5ef061806fde07a6a3255e6c07f4fed0d3 (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 20cdaf3146b8..cce0b1bba591 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3838,7 +3838,8 @@ drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr, else if (msg->req_type == DP_RESOURCE_STATUS_NOTIFY) guid = msg->u.resource_stat.guid; - mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid); + if (guid) + mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid); } else { mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad); } |