linux-kernel - [PATCH] driver: r8188eu: remove NULL check before vfree

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Message-Id: <20220614090340.123714-1-dzm91@hust.edu.cn>
Date:   Tue, 14 Jun 2022 17:03:30 +0800
From:   Dongliang Mu <dzm91@...t.edu.cn>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Martin Kaiser <martin@...ser.cx>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>
Cc:     mudongliang <mudongliangabcd@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] driver: r8188eu: remove NULL check before vfree

From: mudongliang <mudongliangabcd@...il.com>

vfree can handle NULL pointer as its argument.
According to coccinelle isnullfree check, remove NULL check
before vfree operation.

Signed-off-by: mudongliang <mudongliangabcd@...il.com>
---
 drivers/staging/r8188eu/os_dep/usb_intf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
index 68869c5daeff..bd1c8b4b5c4b 100644
--- a/drivers/staging/r8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
@@ -372,8 +372,7 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
 free_adapter:
 	if (pnetdev)
 		rtw_free_netdev(pnetdev);
-	else if (padapter)
-		vfree(padapter);
+	vfree(padapter);
 
 	return NULL;
 }
-- 
2.35.1