[PATCH] reuse code in addons to check privileges

[Danny Kukawka]

From: Danny Kukawka <danny.kukawka at web.de>
Subject: reuse code in addons to check privileges

Changed code to be able to reuse code of check_priv() in helpers
like addons. Added new util_helper_priv.{c,h} with a new function
for checking privileges and changed all affected addons to use
this code.

Signed-off-by: Danny Kukawka <danny.kukawka at web.de>
---
 Makefile.am                               |    3
 linux/addons/Makefile.am                  |   10 +-
 linux/addons/addon-cpufreq.c              |   53 ------------
 linux/addons/addon-imac-backlight.c       |   55 ------------
 linux/addons/addon-macbook-backlight.c    |   55 ------------
 linux/addons/addon-macbookpro-backlight.c |   65 +--------------
 linux/addons/addon-omap-backlight.c       |   55 ------------
 util_helper_priv.c                        |   86 ++++++++++++++++++++
 util_helper_priv.h                        |   36 ++++++++
 9 files changed, 143 insertions(+), 275 deletions(-)

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