tor

commit db00f24d8be848f5840af913e88d5ae7019c70f6
parent a4847ffa915ec7d09ae28ef4ad6bc1c8a1b324ca
Author: Nick Mathewson <nickm@torproject.org>
Date:   Tue, 12 Sep 2017 17:55:33 -0400

Return the actual number of hops in cpath_get_n_hops()

Bug not in any version of tor.

Found with clang's scan-build.

Diffstat:
M
src/or/circuitbuild.c
 | 
6
+++---

1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
@@ -2422,10 +2422,10 @@ cpath_get_n_hops(crypt_path_t **head_ptr)
   }
 
   tmp = *head_ptr;
-  if (tmp) {
+  do {
     n_hops++;
-    tmp = (*head_ptr)->next;
-  }
+    tmp = tmp->next;
+  } while (tmp != *head_ptr);
 
   return n_hops;
 }