linux-kernel - [PATCH] rtl8188eu: core: Remove NULL test before vfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1484540299-31056-1-git-send-email-mayhs11saini@gmail.com>
Date:   Mon, 16 Jan 2017 09:48:19 +0530
From:   Shyam Saini <mayhs11saini@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     insafonov@...il.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, Shyam Saini <mayhs11saini@...il.com>
Subject: [PATCH] rtl8188eu: core: Remove NULL test before vfree

vfree frees the virtually continuous block of memory beginning at
addr. If addr is NULL, no operation is performed. So, NULL test is not
needed before vfree().

Signed-off-by: Shyam Saini <mayhs11saini@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_xmit.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index b60b126..2a65e32 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -246,8 +246,7 @@ void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv)
 		pxmitbuf++;
 	}
 
-	if (pxmitpriv->pallocated_xmit_extbuf)
-		vfree(pxmitpriv->pallocated_xmit_extbuf);
+	vfree(pxmitpriv->pallocated_xmit_extbuf);
 
 	rtw_free_hwxmits(padapter);
 
-- 
2.7.4