diff options
Diffstat (limited to 'drivers/infiniband/core/addr.c')
| -rw-r--r-- | drivers/infiniband/core/addr.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 1612cfd50f39..6ef660c1332f 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; |