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69c953c85c
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>
15 lines
269 B
C
15 lines
269 B
C
#include <linux/kernel.h>
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#include <linux/gcd.h>
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#include <linux/export.h>
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#include <linux/lcm.h>
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/* Lowest common multiple */
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unsigned long lcm(unsigned long a, unsigned long b)
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{
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if (a && b)
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return (a / gcd(a, b)) * b;
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else
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return 0;
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}
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EXPORT_SYMBOL_GPL(lcm);
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