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Commit dabe1954 authored by Insu Yun's avatar Insu Yun Committed by Dave Airlie
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drm: fix missing reference counting decrease 



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: default avatarInsu Yun <wuninsu@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 36f90b0a

drivers/gpu/drm/drm_dp_mst_topology.c

+1 −0
Original line number Diff line number Diff line
@@ -2446,6 +2446,7 @@ 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);

		if (pbn == port->vcpi.pbn) {

			*slots = port->vcpi.num_slots;

			drm_dp_put_port(port);

			return true;

		}

	}