linux-kernel - [PATCH] video: backlight: tosa_lcd: drop check because i2c_unregister

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Message-Id: <20190820153439.7638-1-wsa+renesas@sang-engineering.com>
Date:   Tue, 20 Aug 2019 17:34:39 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-i2c@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] video: backlight: tosa_lcd: drop check because i2c_unregister_device() is NULL safe

No need to check the argument of i2c_unregister_device() because the
function itself does it.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
Build tested only, buildbot is happy, too.

Please apply to your tree.

 drivers/video/backlight/tosa_lcd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
index 65cb7578776f..29af8e27b6e5 100644
--- a/drivers/video/backlight/tosa_lcd.c
+++ b/drivers/video/backlight/tosa_lcd.c
@@ -222,8 +222,7 @@ static int tosa_lcd_remove(struct spi_device *spi)
 {
 	struct tosa_lcd_data *data = spi_get_drvdata(spi);
 
-	if (data->i2c)
-		i2c_unregister_device(data->i2c);
+	i2c_unregister_device(data->i2c);
 
 	tosa_lcd_tg_off(data);
 
-- 
2.20.1