[tor-commits] [tor/main] cc: Change edge_get_ccontrol() to look at both cpath and on_circuit

[dgoulet@xxxxxxxxxxxxxx]

commit d4cf3fadec94169e4610717beaf4597456cbd961
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Wed Jan 12 11:49:04 2022 -0500

    cc: Change edge_get_ccontrol() to look at both cpath and on_circuit
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 src/core/or/congestion_control_flow.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/core/or/congestion_control_flow.c b/src/core/or/congestion_control_flow.c
index d61da73627..c8b5ba2473 100644
--- a/src/core/or/congestion_control_flow.c
+++ b/src/core/or/congestion_control_flow.c
@@ -62,12 +62,15 @@ static uint32_t xon_rate_bytes;
 static inline const congestion_control_t *
 edge_get_ccontrol(const edge_connection_t *edge)
 {
-  if (edge->cpath_layer)
-    return edge->cpath_layer->ccontrol;
-  else if (edge->on_circuit)
-    return edge->on_circuit->ccontrol;
-  else
-    return NULL;
+  congestion_control_t *ccontrol = NULL;
+
+  if (edge->on_circuit && edge->on_circuit->ccontrol) {
+    ccontrol = edge->on_circuit->ccontrol;
+  } else if (edge->cpath_layer && edge->cpath_layer->ccontrol) {
+    ccontrol = edge->cpath_layer->ccontrol;
+  }
+
+  return ccontrol;
 }
 
 /**



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