diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/cm.c')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 77f769d9227..daa93e942e1 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1358,6 +1358,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb) goto reject; } dst = &rt->dst; + rcu_read_lock(); neigh = dst_get_neighbour(dst); if (neigh->dev->flags & IFF_LOOPBACK) { pdev = ip_dev_find(&init_net, peer_ip); @@ -1384,6 +1385,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb) rss_qid = dev->rdev.lldi.rxq_ids[ cxgb4_port_idx(neigh->dev) * step]; } + rcu_read_unlock(); if (!l2t) { printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n", __func__); @@ -1909,6 +1911,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) } ep->dst = &rt->dst; + rcu_read_lock(); neigh = dst_get_neighbour(ep->dst); /* get a l2t entry */ @@ -1945,6 +1948,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) ep->rss_qid = ep->com.dev->rdev.lldi.rxq_ids[ cxgb4_port_idx(neigh->dev) * step]; } + rcu_read_unlock(); if (!ep->l2t) { printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__); err = -ENOMEM; |