From: Markos Chandras <markos.chandras@imgtec.com>
Date: Mon, 18 Aug 2014 14:04:11 +0000 (+0100)
Subject: MIPS: Malta: Improve system memory detection for '{e, }memsize' >= 2G
X-Git-Tag: fixes-for-v3.18-merge-window~106^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a168dc393dde134c7ac9e542d778ed1ec3e25211;p=pandora-kernel.git

MIPS: Malta: Improve system memory detection for '{e, }memsize' >= 2G

Using kstrtol to parse the "{e,}memsize" variables was wrong because this
parses signed long numbers. In case of '{e,}memsize' >= 2G, the top bit
is set, resulting to -ERANGE errors and possibly random system memory
boundaries. We fix this by replacing "kstrtol" with "kstrtoul".
We also improve the code to check the kstrtoul return value and
print a warning if an error was returned.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: <stable@vger.kernel.org> # v3.15+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7543/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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