summaryrefslogtreecommitdiff
path: root/drivers/net/vxlan
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/vxlan')
-rw-r--r--drivers/net/vxlan/vxlan_core.c18
-rw-r--r--drivers/net/vxlan/vxlan_private.h2
2 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index a5c55e7e4d79..e957aa12a8a4 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2349,7 +2349,7 @@ void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
int addr_family;
__u8 tos, ttl;
int ifindex;
- int err;
+ int err = 0;
u32 flags = vxlan->cfg.flags;
bool use_cache;
bool udp_sum = false;
@@ -2454,12 +2454,18 @@ void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
rcu_read_lock();
if (addr_family == AF_INET) {
- struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);
+ struct vxlan_sock *sock4;
u16 ipcb_flags = 0;
struct rtable *rt;
__be16 df = 0;
__be32 saddr;
+ sock4 = rcu_dereference(vxlan->vn4_sock);
+ if (unlikely(!sock4)) {
+ reason = SKB_DROP_REASON_DEV_READY;
+ goto tx_error;
+ }
+
if (!ifindex)
ifindex = sock4->sock->sk->sk_bound_dev_if;
@@ -2534,10 +2540,16 @@ void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
ipcb_flags);
#if IS_ENABLED(CONFIG_IPV6)
} else {
- struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);
+ struct vxlan_sock *sock6;
struct in6_addr saddr;
u16 ip6cb_flags = 0;
+ sock6 = rcu_dereference(vxlan->vn6_sock);
+ if (unlikely(!sock6)) {
+ reason = SKB_DROP_REASON_DEV_READY;
+ goto tx_error;
+ }
+
if (!ifindex)
ifindex = sock6->sock->sk->sk_bound_dev_if;
diff --git a/drivers/net/vxlan/vxlan_private.h b/drivers/net/vxlan/vxlan_private.h
index 99fe772ad679..b1eec2216360 100644
--- a/drivers/net/vxlan/vxlan_private.h
+++ b/drivers/net/vxlan/vxlan_private.h
@@ -188,8 +188,6 @@ int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
const unsigned char *addr, union vxlan_addr ip,
__be16 port, __be32 src_vni, __be32 vni,
u32 ifindex, bool swdev_notify);
-u32 eth_vni_hash(const unsigned char *addr, __be32 vni);
-u32 fdb_head_index(struct vxlan_dev *vxlan, const u8 *mac, __be32 vni);
int vxlan_fdb_update(struct vxlan_dev *vxlan,
const u8 *mac, union vxlan_addr *ip,
__u16 state, __u16 flags,