From 85cfb3a83536ad7f055b45f3a9c227848fa4dc80 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 20 Jan 2013 21:00:01 -0800
Subject: [PATCH] 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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