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authorDavid Miller <davem@davemloft.net>2012-01-24 13:15:52 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-01-26 02:30:36 (GMT)
commit02b619555ad68884bacfbe41893245394cb44885 (patch)
tree606e46ea10692cafb71bda71ee6c462764afc49a /drivers/infiniband
parent9b28ecd66b391349d3492574500f978566195454 (diff)
downloadlinux-02b619555ad68884bacfbe41893245394cb44885.tar.xz
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/addr.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 1612cfd..6ef660c 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -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;