Commit 69c953c8 authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Linus Torvalds

lib/lcm.c: lcm(n,0)=lcm(0,n) is 0, not n

Return the mathematically correct answer when an argument is 0.
Signed-off-by: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 74a5fef7
......@@ -8,9 +8,7 @@ unsigned long lcm(unsigned long a, unsigned long b)
{
if (a && b)
return (a / gcd(a, b)) * b;
else if (b)
return b;
return a;
else
return 0;
}
EXPORT_SYMBOL_GPL(lcm);
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