From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 2 Apr 2009 16:01:21 +0000 (+0900)
Subject: MIPS: TXx9: Fix possible overflow in clock calculations
X-Git-Tag: linux-omap-v2.6.30-rc6~13^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=740ebe4a54fae1705705ec87ce511b16ffb50659;p=pandora-kernel.git

MIPS: TXx9: Fix possible overflow in clock calculations

Addition of -fwrapv option in 2.6.29 discloses possible overflow with
signed arithmetics.  For example, result of "a * 6 / 12" (int a =
400000000) is 200000000 without -fwrapv but -157913941 with -fwrapv.

Change some variable to unsigned to avoid such overflows.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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