From: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Date: Mon, 14 Jul 2014 22:56:21 +0000 (+0300)
Subject: drivers/platform/x86/thinkpad_acpi.c: don't test unsigned int for negativity
X-Git-Tag: firefly_0821_release~176^2~3360^2~29
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd3c7b9ef7ff26d541393e6c3e985b1c72c277c3;p=firefly-linux-kernel-4.4.55.git

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 0fefb2420073..61e8ff020256 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,