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devinet: fix memleak in inetdev_init()

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[ Upstream commit 1b49cd71b52403822731dc9f283185d1da355f97 ]

When devinet_sysctl_register() failed, the memory allocated
in neigh_parms_alloc() should be freed.

Fixes: 20e61da7ff ("ipv4: fail early when creating netdev named all or default")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Yingliang 2020-05-30 11:34:33 +08:00 committed by Greg Kroah-Hartman
parent 106fa147d3
commit be233b75ac
1 changed files with 1 additions and 0 deletions
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net/ipv4/devinet.c
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@ -269,6 +269,7 @@ static struct in_device *inetdev_init(struct net_device *dev)
err = devinet_sysctl_register(in_dev);
if (err) {
in_dev->dead = 1;
neigh_parms_release(&arp_tbl, in_dev->arp_parms);
in_dev_put(in_dev);
in_dev = NULL;
goto out;