[PATCH net] devinet: fix memleak in inetdev_init()

[Yang Yingliang]

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

Fixes: 20e61da7ffcf ("ipv4: fail early when creating netdev named all or 
default")
Signed-off-by: Yang Yingliang <yangyingli...@huawei.com>
---
 net/ipv4/devinet.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c0dd561..5267b6b 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -276,6 +276,7 @@ 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;
-- 
1.8.3