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[NET]: Dynamically allocate the loopback device, part 1.

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This patch replaces all occurences to the static variable
loopback_dev to a pointer loopback_dev. That provides the
mindless, trivial, uninteressting change part for the dynamic
allocation for the loopback.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-By: Kirill Korotaev <dev@sw.ru>
Acked-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Lezcano
2007-09-25 19:16:28 -07:00
committed by David S. Miller
parent 5568296573
commit de3cb747ff
16 changed files with 55 additions and 53 deletions
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4
net/decnet/dn_dev.c
View File

@@ -869,10 +869,10 @@ last_chance:
rv = dn_dev_get_first(dev, addr);
read_unlock(&dev_base_lock);
dev_put(dev);
if (rv == 0 || dev == &loopback_dev)
if (rv == 0 || dev == loopback_dev)
return rv;
}
dev = &loopback_dev;
dev = loopback_dev;
dev_hold(dev);
goto last_chance;
}

14
net/decnet/dn_route.c
View File

@@ -887,7 +887,7 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
.scope = RT_SCOPE_UNIVERSE,
} },
.mark = oldflp->mark,
.iif = loopback_dev.ifindex,
.iif = loopback_dev->ifindex,
.oif = oldflp->oif };
struct dn_route *rt = NULL;
struct net_device *dev_out = NULL, *dev;
@@ -904,7 +904,7 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
"dn_route_output_slow: dst=%04x src=%04x mark=%d"
" iif=%d oif=%d\n", dn_ntohs(oldflp->fld_dst),
dn_ntohs(oldflp->fld_src),
oldflp->mark, loopback_dev.ifindex, oldflp->oif);
oldflp->mark, loopback_dev->ifindex, oldflp->oif);
/* If we have an output interface, verify its a DECnet device */
if (oldflp->oif) {
@@ -957,7 +957,7 @@ source_ok:
err = -EADDRNOTAVAIL;
if (dev_out)
dev_put(dev_out);
dev_out = &loopback_dev;
dev_out = loopback_dev;
dev_hold(dev_out);
if (!fl.fld_dst) {
fl.fld_dst =
@@ -966,7 +966,7 @@ source_ok:
if (!fl.fld_dst)
goto out;
}
fl.oif = loopback_dev.ifindex;
fl.oif = loopback_dev->ifindex;
res.type = RTN_LOCAL;
goto make_route;
}
@@ -1012,7 +1012,7 @@ source_ok:
if (dev_out)
dev_put(dev_out);
if (dn_dev_islocal(neigh->dev, fl.fld_dst)) {
dev_out = &loopback_dev;
dev_out = loopback_dev;
res.type = RTN_LOCAL;
} else {
dev_out = neigh->dev;
@@ -1033,7 +1033,7 @@ source_ok:
/* Possible improvement - check all devices for local addr */
if (dn_dev_islocal(dev_out, fl.fld_dst)) {
dev_put(dev_out);
dev_out = &loopback_dev;
dev_out = loopback_dev;
dev_hold(dev_out);
res.type = RTN_LOCAL;
goto select_source;
@@ -1069,7 +1069,7 @@ select_source:
fl.fld_src = fl.fld_dst;
if (dev_out)
dev_put(dev_out);
dev_out = &loopback_dev;
dev_out = loopback_dev;
dev_hold(dev_out);
fl.oif = dev_out->ifindex;
if (res.fi)