linux-kernel - [PATCH] media: i2c: mt9p031: Remove redundant null check before clk_disable

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Message-Id: <20201104092948.8560-1-vulab@iscas.ac.cn>
Date:   Wed,  4 Nov 2020 09:29:48 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        linux-media@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] media: i2c: mt9p031: Remove redundant null check before clk_disable_unprepare

Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove it.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/media/i2c/mt9p031.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index dc23b9ed510a..a633b934d93e 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -346,8 +346,7 @@ static void mt9p031_power_off(struct mt9p031 *mt9p031)
 	regulator_bulk_disable(ARRAY_SIZE(mt9p031->regulators),
 			       mt9p031->regulators);
 
-	if (mt9p031->clk)
-		clk_disable_unprepare(mt9p031->clk);
+	clk_disable_unprepare(mt9p031->clk);
 }
 
 static int __mt9p031_set_power(struct mt9p031 *mt9p031, bool on)
-- 
2.17.1