[tor-commits] [tor/master] re-add check for if circuit is an origin circuit

[nickm@xxxxxxxxxxxxxx]

commit b252773fe912aa398741c1ec3d2a8eeabf7a52dc
Author: Chelsea H. Komlo <chelsea.komlo@xxxxxxxxx>
Date:   Mon Nov 21 15:12:21 2016 -0500

    re-add check for if circuit is an origin circuit
---
 src/or/circuituse.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/or/circuituse.c b/src/or/circuituse.c
index 6fb4f82..cceaddd 100644
--- a/src/or/circuituse.c
+++ b/src/or/circuituse.c
@@ -1033,12 +1033,15 @@ circuit_is_available_for_use(const circuit_t *circ)
   const origin_circuit_t *origin_circ;
   cpath_build_state_t *build_state;
 
+  if (!CIRCUIT_IS_ORIGIN(circ))
+    return 0; /* We first filter out only origin circuits before doing the
+                 following checks. */
   if (circ->marked_for_close)
     return 0; /* Don't mess with marked circs */
   if (circ->timestamp_dirty)
     return 0; /* Only count clean circs */
   if (circ->purpose != CIRCUIT_PURPOSE_C_GENERAL)
-    return 0; /* Only pay attention to general purpose circuits.
+    return 0; /* We only pay attention to general purpose circuits.
                  General purpose circuits are always origin circuits. */
 
   origin_circ = CONST_TO_ORIGIN_CIRCUIT(circ);



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