From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Date: Wed, 10 Dec 2014 23:51:27 +0000 (-0800)
Subject: lib/lcm.c: ensure correct result whenever it fits
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~139^2~84
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74a5fef7cb0839c6b595f90c7914a62ac9d0bcf9;p=pandora-kernel.git

lib/lcm.c: ensure correct result whenever it fits

Ensure that lcm(a,b) returns the mathematically correct result, provided
it fits in an unsigned long.  The current version returns garbage if a*b
overflows, even if the final result would fit.

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>
---

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