From: Andrey Ryabinin <a.ryabinin@samsung.com>
Date: Tue, 24 Mar 2015 15:31:22 +0000 (+0300)
Subject: avr32: fix integer overflow in ELF_ET_DYN_BASE
X-Git-Tag: omap-for-v4.1/fixes-rc1~181^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=940db9e654dab0cb68b5b9ec52f627945807aac9;p=pandora-kernel.git

avr32: fix integer overflow in ELF_ET_DYN_BASE

Almost all arches define ELF_ET_DYN_BASE as 2/3 of TASK_SIZE.
Though it seems that some architectures do this in a wrong way.
The problem is that 2*TASK_SIZE may overflow 32-bits so
the real ELF_ET_DYN_BASE becomes wrong.
Fix this overflow by dividing TASK_SIZE prior to multiplying:
	 (TASK_SIZE / 3 * 2)

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
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