From 080131c86e218369cbf3b58c4db70e43b72a8a39 Mon Sep 17 00:00:00 2001
From: jsteube <jens.steube@gmail.com>
Date: Wed, 22 Feb 2017 12:36:05 +0100
Subject: [PATCH] Use type independant __builtin_mul_overflow()

---
 src/mpsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mpsp.c b/src/mpsp.c
index 15426a748..02a5853bd 100644
--- a/src/mpsp.c
+++ b/src/mpsp.c
@@ -817,7 +817,7 @@ static int sp_get_sum (u32 start, u32 stop, cs_t *root_css_buf, u64 *result)
   {
     u64 t;
 
-    if (__builtin_umull_overflow (sum, root_css_buf[i].cs_len, &t) == true) return -1;
+    if (__builtin_mul_overflow (sum, root_css_buf[i].cs_len, &t) == true) return -1;
 
     sum *= root_css_buf[i].cs_len;
   }