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infiniband: Convert dst_fetch_ha() over to dst_neigh_lookup(). 

Now we must provide the IP destination address, and a reference has
to be dropped when we're done with the entry.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Miller 2012-01-24 13:15:52 +00:00 committed by David S. Miller
parent 9b28ecd66b
commit 02b619555a
1 changed files with 9 additions and 5 deletions
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14
drivers/infiniband/core/addr.c
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@ -178,22 +178,26 @@ static void queue_req(struct addr_req *req)
mutex_unlock(&lock);
}
static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *addr)
static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr, void *daddr)
{
struct neighbour *n;
int ret;
n = dst_neigh_lookup(dst, daddr);
rcu_read_lock();
n = dst_get_neighbour_noref(dst);
if (!n || !(n->nud_state & NUD_VALID)) {
if (n)
neigh_event_send(n, NULL);
ret = -ENODATA;
} else {
ret = rdma_copy_addr(addr, dst->dev, n->ha);
ret = rdma_copy_addr(dev_addr, dst->dev, n->ha);
}
rcu_read_unlock();
if (n)
neigh_release(n);
return ret;
}
@ -232,7 +236,7 @@ static int addr4_resolve(struct sockaddr_in *src_in,
goto put;
}
ret = dst_fetch_ha(&rt->dst, addr);
ret = dst_fetch_ha(&rt->dst, addr, &fl4.daddr);
put:
ip_rt_put(rt);
out:
@ -280,7 +284,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
goto put;
}
ret = dst_fetch_ha(dst, addr);
ret = dst_fetch_ha(dst, addr, &fl6.daddr);
put:
dst_release(dst);
return ret;