linux-kernel - [PATCH] drivers/platform/x86/thinkpad_acpi.c: don't test unsigned int for negativity

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Date:	Tue, 15 Jul 2014 01:56:21 +0300
From:	Andrey Utkin <andrey.krieger.utkin@...il.com>
To:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	platform-driver-x86@...r.kernel.org,
	ibm-acpi-devel@...ts.sourceforge.net, ibm-acpi@....eng.br
Cc:	matthew.garrett@...ula.com,
	Andrey Utkin <andrey.krieger.utkin@...il.com>
Subject: [PATCH] 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@...mail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@...il.com>
---
 drivers/platform/x86/thinkpad_acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d82f196..4d59b09 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,
-- 
1.8.5.5

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