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[tor-commits] [tor/master] Return the actual number of hops in cpath_get_n_hops()



commit db00f24d8be848f5840af913e88d5ae7019c70f6
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue Sep 12 17:55:33 2017 -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.
---
 src/or/circuitbuild.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 279308afc..e796ea2ed 100644
--- 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;
 }



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