The patch titled
Subject: lib/lcm.c: lcm(n,0)=lcm(0,n) is 0, not n
has been added to the -mm tree. Its filename is
lib-lcmc-lcmn0=lcm0n-is-0-not-n.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-lcmc-lcmn0%3Dlcm0n-is-0-not-n.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-lcmc-lcmn0%3Dlcm0n-is-0-not-n.patch
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------------------------------------------------------
From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxxx>
Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/lcm.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff -puN lib/lcm.c~lib-lcmc-lcmn0=lcm0n-is-0-not-n lib/lcm.c
--- a/lib/lcm.c~lib-lcmc-lcmn0=lcm0n-is-0-not-n
+++ a/lib/lcm.c
@@ -8,9 +8,7 @@ unsigned long lcm(unsigned long a, unsig
{
if (a && b)
return (a / gcd(a, b)) * b;
- else if (b)
- return b;
-
- return a;
+ else
+ return 0;
}
EXPORT_SYMBOL_GPL(lcm);
_
Patches currently in -mm which might be from linux@xxxxxxxxxxxxxxxxxx are
lib-lcmc-ensure-correct-result-whenever-it-fits.patch
lib-lcmc-lcmn0=lcm0n-is-0-not-n.patch
linux-next.patch
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