linux-kernel - [PATCH -next] staging: kpc2000: kpc_spi: Remove unnecessary null check before kfree

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Date:   Thu, 11 Jul 2019 22:07:26 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <gregkh@...uxfoundation.org>, <gneukum1@...il.com>,
        <dan.carpenter@...cle.com>, <michael.scheiderer@....de>,
        <fabian.krueger@....de>
CC:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] staging: kpc2000: kpc_spi: Remove unnecessary null check before kfree

A null check before a kfree is redundant, so remove it.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/kpc2000/kpc2000_spi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 35ac1d7..3be33c4 100644
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -412,8 +412,7 @@ kp_spi_cleanup(struct spi_device *spidev)
 {
 	struct kp_spi_controller_state *cs = spidev->controller_state;
 
-	if (cs)
-		kfree(cs);
+	kfree(cs);
 }
 
 /******************
-- 
2.7.4