linux-kernel - [PATCH] dvb-usb: Remove redundant NULL check before kfree

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]

Date:	Wed, 27 Feb 2013 01:05:01 +0530
From:	Syam Sidhardhan <syamsidhardh@...il.com>
To:	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	syamsidhardh@...il.com, mchehab@...hat.com
Subject: [PATCH] dvb-usb: Remove redundant NULL check before kfree

kfree on NULL pointer is a no-op.

Signed-off-by: Syam Sidhardhan <s.syam@...sung.com>
---
 drivers/media/usb/dvb-usb/cinergyT2-fe.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
index 1efc028..c890fe4 100644
--- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c
+++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c
@@ -300,8 +300,7 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe)
 static void cinergyt2_fe_release(struct dvb_frontend *fe)
 {
 	struct cinergyt2_fe_state *state = fe->demodulator_priv;
-	if (state != NULL)
-		kfree(state);
+	kfree(state);
 }
 
 static struct dvb_frontend_ops cinergyt2_fe_ops;
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/