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>

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>
Rasmus Villemoes · Linus Torvalds · Eric Lee · Eric Lee · Eric Lee · Eric Lee
1 parent 74a5fef7cb
Showing 1 changed file with 2 additions and 4 deletions Side-by-side Diff
lib/lcm.c
@@ -8,10 +8,8 @@
 {
 	if (a && b)
 		return (a / gcd(a, b)) * b;
-	else if (b)
-		return b;
-
-	return a;
+	else
+		return 0;
 }
 EXPORT_SYMBOL_GPL(lcm);
...	...	@@ -8,10 +8,8 @@
8	8	{
9	9	if (a && b)
10	10	return (a / gcd(a, b)) * b;
11		- else if (b)
12		- return b;
13		-
14		- return a;
	11	+ else
	12	+ return 0;
15	13	}
16	14	EXPORT_SYMBOL_GPL(lcm);