[PATCH] drm/dp/mst: Fix missing ref count decrease

[Harry Wentland]

Decrease ref count for port on all exit conditions.

Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Reviewed-by: Mykola Lysenko <mykola.lysenko@xxxxxxx>
---
 drivers/gpu/drm/drm_dp_mst_topology.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 5662e68ecccd..fa50fd0cb5ef 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -2498,7 +2498,8 @@ 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;
-			return true;
+			ret = 0;
+			goto out;
 		}
 	}
 
@@ -2510,10 +2511,10 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp
 	DRM_DEBUG_KMS("initing vcpi for %d %d\n", pbn, port->vcpi.num_slots);
 	*slots = port->vcpi.num_slots;
 
-	drm_dp_put_port(port);
-	return true;
+	ret = 0;
 out:
-	return false;
+	drm_dp_put_port(port);
+	return ret == 0;
 }
 EXPORT_SYMBOL(drm_dp_mst_allocate_vcpi);
 
-- 
2.1.4


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