net: add __rcu annotations to protocol
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>
diff --git a/include/net/protocol.h b/include/net/protocol.h
index f1effdd3c..dc07495 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -89,10 +89,10 @@
#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);