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tunnels: add __rcu annotations

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Add __rcu annotations to :
        (struct ip_tunnel)->prl
        (struct ip_tunnel_prl_entry)->next
        (struct xfrm_tunnel)->next
	struct xfrm_tunnel *tunnel4_handlers
	struct xfrm_tunnel *tunnel64_handlers

And use appropriate rcu primitives to reduce sparse warnings if
CONFIG_SPARSE_RCU_POINTER=y

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-10-25 21:01:26 +00:00
committed by David S. Miller
parent e0ad61ec86
commit b33eab0844
3 changed files with 22 additions and 13 deletions
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2
include/net/xfrm.h
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@@ -1264,7 +1264,7 @@ struct xfrm_tunnel {
int (*handler)(struct sk_buff *skb);
int (*err_handler)(struct sk_buff *skb, u32 info);
struct xfrm_tunnel *next;
struct xfrm_tunnel __rcu *next;
int priority;
};