linux-kernel - [PATCH] crypto: s5p-sss: remove redundant null check

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Message-Id: <20200903083738.85345-1-vulab@iscas.ac.cn>
Date:   Thu,  3 Sep 2020 08:37:38 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     krzk@...nel.org, vz@...ia.com, k.konieczny@...sung.com,
        herbert@...dor.apana.org.au, davem@...emloft.net
Cc:     linux-crypto@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: s5p-sss: remove redundant null check

Because clk_disable_unprepare already checked NULL clock
parameter, so the additional checks are unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/crypto/s5p-sss.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 341433fbcc4a..fdcbfd45c884 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -2307,8 +2307,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
 	tasklet_kill(&pdata->tasklet);
 
 err_irq:
-	if (pdata->pclk)
-		clk_disable_unprepare(pdata->pclk);
+	clk_disable_unprepare(pdata->pclk);
 
 err_clk:
 	clk_disable_unprepare(pdata->clk);
@@ -2338,8 +2337,7 @@ static int s5p_aes_remove(struct platform_device *pdev)
 		pdata->use_hash = false;
 	}
 
-	if (pdata->pclk)
-		clk_disable_unprepare(pdata->pclk);
+	clk_disable_unprepare(pdata->pclk);
 
 	clk_disable_unprepare(pdata->clk);
 	s5p_dev = NULL;
-- 
2.17.1