linux-kernel - [PATCH AUTOSEL 4.9 2/7] platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative

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Message-Id: <20220419181625.486476-2-sashal@kernel.org>
Date:   Tue, 19 Apr 2022 14:16:20 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Sasha Levin <sashal@...nel.org>, corentin.chary@...il.com,
        markgross@...nel.org, platform-driver-x86@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 2/7] platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative

From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

[ Upstream commit 0284d4d1be753f648f28b77bdfbe6a959212af5c ]

Eliminate the follow smatch warnings:

drivers/platform/x86/samsung-laptop.c:1124 kbd_led_set() warn: unsigned
'value' is never less than zero.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Link: https://lore.kernel.org/r/20220322061830.105579-1-jiapeng.chong@linux.alibaba.com
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/platform/x86/samsung-laptop.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 8c146e2b6727..4664d3e191c8 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1125,8 +1125,6 @@ static void kbd_led_set(struct led_classdev *led_cdev,
 
 	if (value > samsung->kbd_led.max_brightness)
 		value = samsung->kbd_led.max_brightness;
-	else if (value < 0)
-		value = 0;
 
 	samsung->kbd_led_wk = value;
 	queue_work(samsung->led_workqueue, &samsung->kbd_led_work);
-- 
2.35.1