devinet: fix memleak in inetdev_init()
When devinet_sysctl_register() failed, the memory allocated in neigh_parms_alloc() should be freed. Fixes: 20e61da7 ("ipv4: fail early when creating netdev named all or default") Signed-off-by: NYang Yingliang <yangyingliang@huawei.com> Acked-by: NCong Wang <xiyou.wangcong@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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