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net: add __rcu annotations to protocol

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Add __rcu annotations to :
        struct net_protocol *inet_protos
        struct net_protocol *inet6_protos

And use appropriate casts 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 21:02:28 +00:00 • committed by David S. Miller
parent 1c31720a74
commit e0ad61ec86
3 changed files with 12 additions and 8 deletions
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4
include/net/protocol.h
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@ -89,10 +89,10 @@ struct inet_protosw {
#define INET_PROTOSW_PERMANENT 0x02 /* Permanent protocols are unremovable. */
#define INET_PROTOSW_ICSK 0x04 /* Is this an inet_connection_sock? */
extern const struct net_protocol *inet_protos[MAX_INET_PROTOS];
extern const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS];
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
extern const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
extern const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS];
#endif
extern int inet_add_protocol(const struct net_protocol *prot, unsigned char num);