platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative

[ 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@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220322061830.105579-1-jiapeng.chong@linux.alibaba.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 7ee010aa740aa7a2479b24d32a58a3603c67086f..404bdb4cbfae41178eae27921b4549a0750bccba 100644 (file)
--- 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);