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[NET]: Rework dev_base via list_head (v3)

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Cleanup of dev_base list use, with the aim to simplify making device
list per-namespace. In almost every occasion, use of dev_base variable
and dev->next pointer could be easily replaced by for_each_netdev
loop. A few most complicated places were converted to using
first_netdev()/next_netdev().

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Acked-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelianov
2007-05-03 15:13:45 -07:00
committed by David S. Miller
parent 03fba04796
commit 7562f876cd
31 changed files with 253 additions and 198 deletions
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11
net/decnet/af_decnet.c
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@@ -721,7 +721,7 @@ static int dn_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct sock *sk = sock->sk;
struct dn_scp *scp = DN_SK(sk);
struct sockaddr_dn *saddr = (struct sockaddr_dn *)uaddr;
struct net_device *dev;
struct net_device *dev, *ldev;
int rv;
if (addr_len != sizeof(struct sockaddr_dn))
@@ -746,14 +746,17 @@ static int dn_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (!(saddr->sdn_flags & SDF_WILD)) {
if (dn_ntohs(saddr->sdn_nodeaddrl)) {
read_lock(&dev_base_lock);
for(dev = dev_base; dev; dev = dev->next) {
ldev = NULL;
for_each_netdev(dev) {
if (!dev->dn_ptr)
continue;
if (dn_dev_islocal(dev, dn_saddr2dn(saddr)))
if (dn_dev_islocal(dev, dn_saddr2dn(saddr))) {
ldev = dev;
break;
}
}
read_unlock(&dev_base_lock);
if (dev == NULL)
if (ldev == NULL)
return -EADDRNOTAVAIL;
}
}