From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 lib/gcd.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 lib/gcd.c

(limited to 'lib/gcd.c')

diff --git a/lib/gcd.c b/lib/gcd.c
new file mode 100644
index 00000000..3657f129
--- /dev/null
+++ b/lib/gcd.c
@@ -0,0 +1,21 @@
+#include <linux/kernel.h>
+#include <linux/gcd.h>
+#include <linux/export.h>
+
+/* Greatest common divisor */
+unsigned long gcd(unsigned long a, unsigned long b)
+{
+	unsigned long r;
+
+	if (a < b)
+		swap(a, b);
+
+	if (!b)
+		return a;
+	while ((r = a % b) != 0) {
+		a = b;
+		b = r;
+	}
+	return b;
+}
+EXPORT_SYMBOL_GPL(gcd);
-- 
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