From: Guenter Roeck <linux@roeck-us.net>
Date: Mon, 21 Jan 2013 05:00:01 +0000 (-0800)
Subject: hwmon: (pmbus) Use krealloc to allocate attribute memory
X-Git-Tag: v3.9-rc1~152^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85cfb3a83536ad7f055b45f3a9c227848fa4dc80;p=pandora-kernel.git

hwmon: (pmbus) Use krealloc to allocate attribute memory

So far, attribute memory was allocated by pre-calculating the maximum possible
amount of attributes. Not only does this waste memory, it is also risky because
the calculation might be wrong. It also requires a lot of defines to specify
the maximum number of attributes per class.

Allocate attribute memory using krealloc() instead. That means we have to use
kfree(), since devm_krealloc() does not exist, but that is still less costly
and less risky than trying to predict the number of attributes at the beginning.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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