From: Aaron Wu <aaron.wu@analog.com>
Date: Thu, 7 Aug 2014 03:43:49 +0000 (+0800)
Subject: mtd: gpio_flash: handle case where offset + len exceeds the window size
X-Git-Tag: fixes-against-v3.18-rc2~54^2~33^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02f8a24e7b1c253ee37edc684200c11300de23f9;p=pandora-kernel.git

mtd: gpio_flash: handle case where offset + len exceeds the window size

Fix the bug in handling gpio flash read/write when offset + len
from MTD exceeds the window size

Signed-off-by: Aaron Wu <Aaron.wu@analog.com>

[Brian: made some commentary edits. Also note that the BUG_ON() was
provably false for all non-negative inputs (since x % y <= x), so we
dropped it.]

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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