X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2Fgcd.c;h=433d89bd9d899bb538ff1fa2546f9888937918ec;hb=98ffdcd624c187390baaadf56325aa6a2c0208f1;hp=f879033d98229450a7a88d891c16319cc213f134;hpb=8a517c514d5893602cf85c1b4c47afbbc04d2198;p=firefly-linux-kernel-4.4.55.git

diff --git a/lib/gcd.c b/lib/gcd.c
index f879033d9822..433d89bd9d89 100644
--- a/lib/gcd.c
+++ b/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;