diff options
| author | Mark Brown <broonie@kernel.org> | 2016-05-02 12:02:09 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-02 12:02:09 +0100 |
| commit | 0ce8428ba9ea13098b828d0881e28368a108709c (patch) | |
| tree | 12cbe5d9c27319b8a18ac9fc9cb44e3c5f35408c /drivers/gpu/drm/drm_dp_mst_topology.c | |
| parent | fba0d7066524ab7b8ccf60e7e95981d10ed008b0 (diff) | |
| parent | 8c0f55100478649e3c0133684aa4aebab77ce10f (diff) | |
Merge tag 'asoc-fix-v4.6-rc5' into asoc-intel
ASoC: Fixes for v4.6
This is a fairly large collection of fixes but almost all driver
specific ones, especially to the new Intel drivers which have had a lot
of recent development. The one core fix is a change to the debugfs code
to avoid crashes in some relatively unusual configurations.
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 27fbd79d0daf..e17fbdaf874b 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1672,13 +1672,19 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, u8 sinks[DRM_DP_MAX_SDP_STREAMS]; int i; + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return -EINVAL; + port_num = port->port_num; mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); if (!mstb) { mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num); - if (!mstb) + if (!mstb) { + drm_dp_put_port(port); return -EINVAL; + } } txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); @@ -1707,6 +1713,7 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, kfree(txmsg); fail_put: drm_dp_put_mst_branch_device(mstb); + drm_dp_put_port(port); return ret; } |