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WSL2-Linux-Kernel
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ipip: convert to net_device_ops 

Convert to network device ops. Needed to change to directly call
the init routine since two sides share same ops.  In the process
found by inspection a device ref count leak if register_netdevice failed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-11-20 20:33:21 -08:00 коммит произвёл David S. Miller
Родитель 748ff68fad
Коммит 23a12b1471
1 изменённых файлов: 17 добавлений и 16 удалений
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33
net/ipv4/ipip.c
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@ -130,8 +130,8 @@ struct ipip_net {
struct net_device *fb_tunnel_dev;
};
static int ipip_fb_tunnel_init(struct net_device *dev);
static int ipip_tunnel_init(struct net_device *dev);
static void ipip_fb_tunnel_init(struct net_device *dev);
static void ipip_tunnel_init(struct net_device *dev);
static void ipip_tunnel_setup(struct net_device *dev);
static DEFINE_RWLOCK(ipip_lock);
@ -245,9 +245,10 @@ static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
}
nt = netdev_priv(dev);
dev->init = ipip_tunnel_init;
nt->parms = *parms;
ipip_tunnel_init(dev);
if (register_netdevice(dev) < 0)
goto failed_free;
@ -691,12 +692,17 @@ static int ipip_tunnel_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static const struct net_device_ops ipip_netdev_ops = {
.ndo_uninit = ipip_tunnel_uninit,
.ndo_start_xmit = ipip_tunnel_xmit,
.ndo_do_ioctl = ipip_tunnel_ioctl,
.ndo_change_mtu = ipip_tunnel_change_mtu,
};
static void ipip_tunnel_setup(struct net_device *dev)
{
dev->uninit = ipip_tunnel_uninit;
dev->hard_start_xmit = ipip_tunnel_xmit;
dev->do_ioctl = ipip_tunnel_ioctl;
dev->change_mtu = ipip_tunnel_change_mtu;
dev->netdev_ops = &ipip_netdev_ops;
dev->destructor = free_netdev;
dev->type = ARPHRD_TUNNEL;
@ -708,11 +714,9 @@ static void ipip_tunnel_setup(struct net_device *dev)
dev->features |= NETIF_F_NETNS_LOCAL;
}
static int ipip_tunnel_init(struct net_device *dev)
static void ipip_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel;
tunnel = netdev_priv(dev);
struct ip_tunnel *tunnel = netdev_priv(dev);
tunnel->dev = dev;
strcpy(tunnel->parms.name, dev->name);
@ -721,11 +725,9 @@ static int ipip_tunnel_init(struct net_device *dev)
memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
ipip_tunnel_bind_dev(dev);
return 0;
}
static int ipip_fb_tunnel_init(struct net_device *dev)
static void ipip_fb_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
@ -740,7 +742,6 @@ static int ipip_fb_tunnel_init(struct net_device *dev)
dev_hold(dev);
ipn->tunnels_wc[0] = tunnel;
return 0;
}
static struct xfrm_tunnel ipip_handler = {
@ -793,7 +794,7 @@ static int ipip_init_net(struct net *net)
goto err_alloc_dev;
}
ipn->fb_tunnel_dev->init = ipip_fb_tunnel_init;
ipip_fb_tunnel_init(ipn->fb_tunnel_dev);
dev_net_set(ipn->fb_tunnel_dev, net);
if ((err = register_netdev(ipn->fb_tunnel_dev)))