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From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
To: corentin.chary@gmail.com
Cc: hdegoede@redhat.com, markgross@kernel.org,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
	Abaci Robot <abaci@linux.alibaba.com>
Subject: [PATCH] samsung-laptop: Fix an unsigned subtraction which can never be negative
Date: Tue, 22 Mar 2022 14:18:30 +0800	[thread overview]
Message-ID: <20220322061830.105579-1-jiapeng.chong@linux.alibaba.com> (raw)

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@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 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 c1d9ed9b7b67..19f6b456234f 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1121,8 +1121,6 @@ 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);
-- 
2.20.1.7.g153144c


             reply	other threads:[~2022-03-22  6:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-22  6:18 Jiapeng Chong [this message]
2022-04-04 13:30 ` [PATCH] samsung-laptop: Fix an unsigned subtraction which can never be negative Hans de Goede

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