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path: root/drivers/infiniband
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Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/addr.c14
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c10
-rw-r--r--drivers/infiniband/hw/nes/nes_cm.c8
3 files changed, 21 insertions, 11 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 1612cfd50f3..6ef660c1332 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;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0668bb3472d..0cf61554f17 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1562,11 +1562,11 @@ static int import_ep(struct c4iw_ep *ep, __be32 peer_ip, struct dst_entry *dst,
struct neighbour *n;
int err, step;
- rcu_read_lock();
- n = dst_get_neighbour_noref(dst);
- err = -ENODEV;
+ n = dst_neigh_lookup(dst, &peer_ip);
if (!n)
- goto out;
+ return -ENODEV;
+
+ rcu_read_lock();
err = -ENOMEM;
if (n->dev->flags & IFF_LOOPBACK) {
struct net_device *pdev;
@@ -1614,6 +1614,8 @@ static int import_ep(struct c4iw_ep *ep, __be32 peer_ip, struct dst_entry *dst,
out:
rcu_read_unlock();
+ neigh_release(n);
+
return err;
}
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index a4972abedef..c5e4cb2d322 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1351,8 +1351,9 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
else
netdev = nesvnic->netdev;
+ neigh = dst_neigh_lookup(&rt->dst, &dst_ip);
+
rcu_read_lock();
- neigh = dst_get_neighbour_noref(&rt->dst);
if (neigh) {
if (neigh->nud_state & NUD_VALID) {
nes_debug(NES_DBG_CM, "Neighbor MAC address for 0x%08X"
@@ -1379,9 +1380,12 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
neigh_event_send(neigh, NULL);
}
}
-
out:
rcu_read_unlock();
+
+ if (neigh)
+ neigh_release(neigh);
+
ip_rt_put(rt);
return rc;
}