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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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8
net/core/dst.c
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@@ -278,13 +278,13 @@ static inline void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
if (!unregister) {
dst->input = dst->output = dst_discard;
} else {
dst->dev = &loopback_dev;
dev_hold(&loopback_dev);
dst->dev = loopback_dev;
dev_hold(dst->dev);
dev_put(dev);
if (dst->neighbour && dst->neighbour->dev == dev) {
dst->neighbour->dev = &loopback_dev;
dst->neighbour->dev = loopback_dev;
dev_put(dev);
dev_hold(&loopback_dev);
dev_hold(dst->neighbour->dev);
}
}
}