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drm: fix missing reference counting decrease

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commit dabe19540a upstream.

In drm_dp_mst_allocate_vcpi, it returns true in two paths,
but in one path, there is no reference couting decrease.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Insu Yun
2016-02-01 11:08:29 -05:00
committed by Greg Kroah-Hartman
parent bd4419f7ee
commit de2e68f48b
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/drm_dp_mst_topology.c
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@@ -2463,6 +2463,7 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp
DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn); DRM_DEBUG_KMS("payload: vcpi %d already allocated for pbn %d - requested pbn %d\n", port->vcpi.vcpi, port->vcpi.pbn, pbn);
if (pbn == port->vcpi.pbn) { if (pbn == port->vcpi.pbn) {
*slots = port->vcpi.num_slots; *slots = port->vcpi.num_slots;
drm_dp_put_port(port);
return true; return true;
} }
} }