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lib/gcd.c: prevent possible div by 0
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
lib
/
gcd.c
diff --git
a/lib/gcd.c
b/lib/gcd.c
index
cce4f3c
..
3657f12
100644
(file)
--- 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;