linux-kernel - [PATCH] ASoC: adau17x1: Remove redundant null check before clk_disable

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Message-Id: <20210108084456.6603-1-vulab@iscas.ac.cn>
Date:   Fri,  8 Jan 2021 08:44:56 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     lars@...afoo.de, nuno.sa@...log.com, lgirdwood@...il.com,
        broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: adau17x1: 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>
---
 sound/soc/codecs/adau17x1.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c
index 30e072c80ac1..546ee8178038 100644
--- a/sound/soc/codecs/adau17x1.c
+++ b/sound/soc/codecs/adau17x1.c
@@ -1095,8 +1095,7 @@ void adau17x1_remove(struct device *dev)
 {
 	struct adau *adau = dev_get_drvdata(dev);
 
-	if (adau->mclk)
-		clk_disable_unprepare(adau->mclk);
+	clk_disable_unprepare(adau->mclk);
 }
 EXPORT_SYMBOL_GPL(adau17x1_remove);
 
-- 
2.17.1