From 54717d7654c83f5989ed37d2a93c31e04060d32a Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 5 Dec 2013 22:54:52 +0000
Subject: [PATCH] -initialize to NULL to use non-free if 'goto except' is hit

---
 .../gnunet-service-scalarproduct.c            | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/scalarproduct/gnunet-service-scalarproduct.c b/src/scalarproduct/gnunet-service-scalarproduct.c
index ba9d426b8..43b5d0107 100644
--- a/src/scalarproduct/gnunet-service-scalarproduct.c
+++ b/src/scalarproduct/gnunet-service-scalarproduct.c
@@ -1254,16 +1254,19 @@ compute_service_response (struct ServiceSession * request,
   }
   GNUNET_free (response->vector);
   response->vector = NULL;
-
+  q = NULL;
+  p = NULL;
   tmp_exp = gcry_sexp_find_token (request->remote_pubkey, "n", 0);
-  if (!tmp_exp) {
+  if (!tmp_exp)
+  {
     GNUNET_break_op (0);
     gcry_sexp_release (request->remote_pubkey);
     request->remote_pubkey = NULL;
     goto except;
   }
   remote_n = gcry_sexp_nth_mpi (tmp_exp, 1, GCRYMPI_FMT_USG);
-  if (!remote_n) {
+  if (!remote_n)
+  {
     GNUNET_break (0);
     gcry_sexp_release (tmp_exp);
     goto except;
@@ -1274,13 +1277,15 @@ compute_service_response (struct ServiceSession * request,
   tmp_exp = gcry_sexp_find_token (request->remote_pubkey, "g", 0);
   gcry_sexp_release (request->remote_pubkey);
   request->remote_pubkey = NULL;
-  if (!tmp_exp) {
+  if (!tmp_exp)
+  {
     GNUNET_break_op (0);
     gcry_mpi_release (remote_n);
     goto except;
   }
   remote_g = gcry_sexp_nth_mpi (tmp_exp, 1, GCRYMPI_FMT_USG);
-  if (!remote_g) {
+  if (!remote_g)
+  {
     GNUNET_break (0);
     gcry_mpi_release (remote_n);
     gcry_sexp_release (tmp_exp);
@@ -1397,8 +1402,8 @@ except:
   GNUNET_free (b);
   GNUNET_free (request->a);
   request->a = NULL;
-  GNUNET_free (p);
-  GNUNET_free (q);
+  GNUNET_free_non_null (p);
+  GNUNET_free_non_null (q);
   GNUNET_free (rand);
   return ret;
 }
-- 
2.25.1