[tor-commits] [tor/master] Fix another crash bug.

[nickm@xxxxxxxxxxxxxx]

commit 7a28862d56c15e4b83efc514621a330085781323
Author: Mike Perry <mikeperry-git@xxxxxxxxxx>
Date:   Wed Nov 21 16:33:16 2012 -0800

    Fix another crash bug.
---
 src/or/circuitbuild.c |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index aaa1959..8304ad8 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1501,14 +1501,19 @@ pathbias_get_closed_count(entry_guard_t *guard)
 
   /* Count currently open circuits. Give them the benefit of the doubt */
   for ( ; circ; circ = circ->next) {
+    origin_circuit_t *ocirc = NULL;
     if (!CIRCUIT_IS_ORIGIN(circ) || /* didn't originate here */
-        circ->marked_for_close ||  /* already counted */
-        !circ->cpath || !circ->cpath->extend_info)
+        circ->marked_for_close) /* already counted */
       continue;
 
-    if (TO_ORIGIN_CIRCUIT(circ)->path_state == PATH_STATE_SUCCEEDED &&
+    ocirc = TO_ORIGIN_CIRCUIT(circ);
+
+    if(!ocirc->cpath || !ocirc->cpath->extend_info)
+      continue;
+
+    if (ocirc->path_state == PATH_STATE_SUCCEEDED &&
         (memcmp(guard->identity,
-                TO_ORIGIN_CIRCUIT(circ)->cpath->extend_info->identity_digest,
+                ocirc->cpath->extend_info->identity_digest,
                 DIGEST_LEN)
          == 0)) {
       open_circuits++;



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