tunnels: add _rcu annotations
(struct ip6_tnl)->next is rcu protected :
(struct ip_tunnel)->next is rcu protected :
(struct xfrm6_tunnel)->next is rcu protected :
add __rcu annotation and proper rcu primitives.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index fc94ec5..fc73e66 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -13,7 +13,7 @@
/* IPv6 tunnel */
struct ip6_tnl {
- struct ip6_tnl *next; /* next tunnel in list */
+ struct ip6_tnl __rcu *next; /* next tunnel in list */
struct net_device *dev; /* virtual device associated with tunnel */
struct ip6_tnl_parm parms; /* tunnel configuration parameters */
struct flowi fl; /* flowi template for xmit */
diff --git a/include/net/ipip.h b/include/net/ipip.h
index 58abbf9..0403fe4 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -16,7 +16,7 @@
};
struct ip_tunnel {
- struct ip_tunnel *next;
+ struct ip_tunnel __rcu *next;
struct net_device *dev;
int err_count; /* Number of arrived ICMP errors */
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index f28d7c9..ffcd478 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1272,7 +1272,7 @@
int (*handler)(struct sk_buff *skb);
int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info);
- struct xfrm6_tunnel *next;
+ struct xfrm6_tunnel __rcu *next;
int priority;
};