From 4273af8d08c823d5898a2b1c2d0f25b4a8b9eaee Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Tue, 30 Oct 2007 17:46:25 -0200
Subject: [PATCH] ACPI: thinkpad-acpi: fix brightness_set error paths

The code calling brightness_set() can't handle EINTR/ERESTARTSYS well, nor
is it checking brightness_set() return status properly.

Fix it.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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