linux-kernel - [PATCH] ASoC: es8328: Remove redundant null check before clk_disable

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Message-Id: <20210108085834.7168-1-vulab@iscas.ac.cn>
Date:   Fri,  8 Jan 2021 08:58:34 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, peter.ujfalusi@...com,
        kuninori.morimoto.gx@...esas.com, gustavoars@...nel.org,
        alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: es8328: 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/es8328.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 7e26231a596a..b537300d0ce8 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -809,8 +809,7 @@ static void es8328_remove(struct snd_soc_component *component)
 
 	es8328 = snd_soc_component_get_drvdata(component);
 
-	if (es8328->clk)
-		clk_disable_unprepare(es8328->clk);
+	clk_disable_unprepare(es8328->clk);
 
 	regulator_bulk_disable(ARRAY_SIZE(es8328->supplies),
 			       es8328->supplies);
-- 
2.17.1