From 1a410405b4f0b9a9376d2ecd10d8f35f3e50fdb8 Mon Sep 17 00:00:00 2001
From: Davidlohr Bueso <dave@gnu.org>
Date: Thu, 4 Oct 2012 17:13:18 -0700
Subject: [PATCH] --- yaml --- r: 330089 b: refs/heads/master c:
 e96875677fb2b7cb739c5d7769824dff7260d31d h: refs/heads/master i:   330087:
 4bf0252c80923bb34195b59b818bf339c30af828 v: v3

---
 [refs]          | 2 +-
 trunk/lib/gcd.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 66aa16bc426c..88b12d8b5de7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8f1f66ed7e1bdb7c88bb0bc45ac78cd075430d78
+refs/heads/master: e96875677fb2b7cb739c5d7769824dff7260d31d
diff --git a/trunk/lib/gcd.c b/trunk/lib/gcd.c
index cce4f3cd14b3..3657f129d7b8 100644
--- a/trunk/lib/gcd.c
+++ b/trunk/lib/gcd.c
@@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsigned long b)
 
 	if (a < b)
 		swap(a, b);
+
+	if (!b)
+		return a;
 	while ((r = a % b) != 0) {
 		a = b;
 		b = r;