diff options
| -rw-r--r-- | drivers/net/vxlan.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index b7911994112a..e375560cc74e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2105,6 +2105,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min, vxlan->cfg.port_max, true); + rcu_read_lock(); if (dst->sa.sa_family == AF_INET) { struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock); struct rtable *rt; @@ -2127,7 +2128,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, dst_port, vni, &rt->dst, rt->rt_flags); if (err) - return; + goto out_unlock; } else if (info->key.tun_flags & TUNNEL_DONT_FRAGMENT) { df = htons(IP_DF); } @@ -2166,7 +2167,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, dst_port, vni, ndst, rt6i_flags); if (err) - return; + goto out_unlock; } tos = ip_tunnel_ecn_encap(tos, old_iph, skb); @@ -2183,6 +2184,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, label, src_port, dst_port, !udp_sum); #endif } +out_unlock: + rcu_read_unlock(); return; drop: @@ -2191,6 +2194,7 @@ drop: return; tx_error: + rcu_read_unlock(); if (err == -ELOOP) dev->stats.collisions++; else if (err == -ENETUNREACH) |