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dev: introduce dev_get_iflink()

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The goal of this patch is to prepare the removal of the iflink field. It
introduces a new ndo function, which will be implemented by virtual interfaces.

There is no functional change into this patch. All readers of iflink field
now call dev_get_iflink().

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-04-02 17:07:00 +02:00 • committed by David S. Miller
parent 033f46b3c1
commit a54acb3a6f
11 changed files with 48 additions and 18 deletions
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2
net/ipv4/ipmr.c
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@ -801,7 +801,7 @@ static int vif_add(struct net *net, struct mr_table *mrt,
v->pkt_out = 0;
v->link = dev->ifindex;
if (v->flags & (VIFF_TUNNEL | VIFF_REGISTER))
v->link = dev->iflink;
v->link = dev_get_iflink(dev);
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);