linux-kernel - [PATCH] Input: Remove unneeded NULL check before clk_disable

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Message-Id: <20220516085511.10679-1-wanjiabing@vivo.com>
Date:   Mon, 16 May 2022 16:55:09 +0800
From:   Wan Jiabing <wanjiabing@...o.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Wan Jiabing <wanjiabing@...o.com>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] Input: Remove unneeded NULL check before clk_disable_unprepare

clk_disable_unprepare() already checks NULL by using IS_ERR_OR_NULL.
Remove unneeded NULL check for kp->clk.

Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
---
 drivers/input/keyboard/bcm-keypad.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c
index 2b771c3a5578..166d6023a538 100644
--- a/drivers/input/keyboard/bcm-keypad.c
+++ b/drivers/input/keyboard/bcm-keypad.c
@@ -183,8 +183,7 @@ static void bcm_kp_stop(const struct bcm_kp *kp)
 	writel(0xFFFFFFFF, kp->base + KPICR0_OFFSET);
 	writel(0xFFFFFFFF, kp->base + KPICR1_OFFSET);
 
-	if (kp->clk)
-		clk_disable_unprepare(kp->clk);
+	clk_disable_unprepare(kp->clk);
 }
 
 static int bcm_kp_open(struct input_dev *dev)
-- 
2.36.1