From bd3c7b9ef7ff26d541393e6c3e985b1c72c277c3 Mon Sep 17 00:00:00 2001
From: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Date: Tue, 15 Jul 2014 01:56:21 +0300
Subject: drivers/platform/x86/thinkpad_acpi.c: don't test unsigned int for
 negativity

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80231
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 0fefb24..61e8ff0 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6144,7 +6144,7 @@ static int brightness_set(unsigned int value)
 {
 	int res;
 
-	if (value > bright_maxlvl || value < 0)
+	if (value > bright_maxlvl)
 		return -EINVAL;
 
 	vdbg_printk(TPACPI_DBG_BRGHT,
-- 
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