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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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14
net/decnet/dn_route.c
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@@ -886,7 +886,7 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
.iif = loopback_dev.ifindex,
.oif = oldflp->oif };
struct dn_route *rt = NULL;
struct net_device *dev_out = NULL;
struct net_device *dev_out = NULL, *dev;
struct neighbour *neigh = NULL;
unsigned hash;
unsigned flags = 0;
@@ -925,15 +925,17 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
goto out;
}
read_lock(&dev_base_lock);
for(dev_out = dev_base; dev_out; dev_out = dev_out->next) {
if (!dev_out->dn_ptr)
for_each_netdev(dev) {
if (!dev->dn_ptr)
continue;
if (!dn_dev_islocal(dev_out, oldflp->fld_src))
if (!dn_dev_islocal(dev, oldflp->fld_src))
continue;
if ((dev_out->flags & IFF_LOOPBACK) &&
if ((dev->flags & IFF_LOOPBACK) &&
oldflp->fld_dst &&
!dn_dev_islocal(dev_out, oldflp->fld_dst))
!dn_dev_islocal(dev, oldflp->fld_dst))
continue;
dev_out = dev;
break;
}
read_unlock(&dev_base_lock);