sctp: remove the typedef sctp_sock_state_t

This patch is to remove the typedef sctp_sock_state_t, and
replace with enum sctp_sock_state in the places where it's
using this typedef.
Signed-off-by: NXin Long <lucien.xin@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/sctp/constants.h

@@ -42,7 +42,7 @@
 
 #include <linux/sctp.h>
 #include <linux/ipv6.h> /* For ipv6hdr. */
-#include <net/tcp_states.h>  /* For TCP states used in sctp_sock_state_t */
+#include <net/tcp_states.h>  /* For TCP states used in enum sctp_sock_state */
 
 /* Value used for stream negotiation. */
 enum { SCTP_MAX_STREAM = 0xffff };
@@ -214,13 +214,13 @@ typedef enum {
  * - A socket in SCTP_SS_ESTABLISHED state indicates that it has a single 
  *   association.
  */
-typedef enum {
+enum sctp_sock_state {
 	SCTP_SS_CLOSED         = TCP_CLOSE,
 	SCTP_SS_LISTENING      = TCP_LISTEN,
 	SCTP_SS_ESTABLISHING   = TCP_SYN_SENT,
 	SCTP_SS_ESTABLISHED    = TCP_ESTABLISHED,
 	SCTP_SS_CLOSING        = TCP_CLOSE_WAIT,
-} sctp_sock_state_t;
+};
 
 /* These functions map various type to printable names.  */
 const char *sctp_cname(const sctp_subtype_t);	/* chunk types */

include/net/sctp/sctp.h

@@ -565,7 +565,8 @@ static inline int __sctp_state(const struct sctp_association *asoc,
 
 /* Is the socket in this state? */
 #define sctp_sstate(sk, state) __sctp_sstate((sk), (SCTP_SS_##state))
-static inline int __sctp_sstate(const struct sock *sk, sctp_sock_state_t state)
+static inline int __sctp_sstate(const struct sock *sk,
+				enum sctp_sock_state state)
 {
 	return sk->sk_state == state;
 }