Commit 69c953c8 authored Dec 10, 2014 by Rasmus Villemoes Committed by Linus Torvalds Dec 10, 2014

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: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 74a5fef7

lib/lcm.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -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);