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-rw-r--r--lib/lcm.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/lcm.c b/lib/lcm.c
index e97dbd51e756..03d7fcb420b5 100644
--- a/lib/lcm.c
+++ b/lib/lcm.c
@@ -12,3 +12,14 @@ unsigned long lcm(unsigned long a, unsigned long b)
12 return 0; 12 return 0;
13} 13}
14EXPORT_SYMBOL_GPL(lcm); 14EXPORT_SYMBOL_GPL(lcm);
15
16unsigned long lcm_not_zero(unsigned long a, unsigned long b)
17{
18 unsigned long l = lcm(a, b);
19
20 if (l)
21 return l;
22
23 return (b ? : a);
24}
25EXPORT_SYMBOL_GPL(lcm_not_zero);