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From: Dinghao Liu <dinghao.liu@zju.edu.cn>
To: dinghao.liu@zju.edu.cn, kjlu@umn.edu
Cc: Wolfgang Grandegger <wg@grandegger.com>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	linux-can@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] can: vxcan: Fix memleak in vxcan_newlink
Date: Wed, 21 Oct 2020 13:21:49 +0800	[thread overview]
Message-ID: <20201021052150.25914-1-dinghao.liu@zju.edu.cn> (raw)

When rtnl_configure_link() fails, peer needs to be
freed just like when register_netdevice() fails.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
 drivers/net/can/vxcan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c
index d6ba9426be4d..aefc5a61d239 100644
--- a/drivers/net/can/vxcan.c
+++ b/drivers/net/can/vxcan.c
@@ -244,6 +244,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev,
 
 unregister_network_device:
 	unregister_netdevice(peer);
+	free_netdev(peer);
 	return err;
 }
 
-- 
2.17.1


             reply	other threads:[~2020-10-21  5:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21  5:21 Dinghao Liu [this message]
2020-10-21 11:20 ` [PATCH] can: vxcan: Fix memleak in vxcan_newlink Oliver Hartkopp
2020-10-22  5:28   ` dinghao.liu
2020-10-22 16:14   ` Jakub Kicinski
2020-10-22 17:34     ` Oliver Hartkopp
2020-10-22 17:38       ` Marc Kleine-Budde

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