sctp: remove the typedef sctp_ecne_chunk_t

This patch is to remove the typedef sctp_ecne_chunk_t, and
replace with struct sctp_ecne_chunk 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/linux/sctp.h

@@ -523,10 +523,10 @@ struct sctp_ecnehdr {
 	__be32 lowest_tsn;
 };
 
-typedef struct sctp_ecne_chunk {
+struct sctp_ecne_chunk {
 	struct sctp_chunkhdr chunk_hdr;
 	struct sctp_ecnehdr ence_hdr;
-} sctp_ecne_chunk_t;
+};
 
 /* RFC 2960.  Appendix A.  Explicit Congestion Notification.
  *   Congestion Window Reduced (CWR) (13)

net/sctp/sm_statefuns.c

@@ -2869,7 +2869,7 @@ sctp_disposition_t sctp_sf_do_ecn_cwr(struct net *net,
 	if (!sctp_vtag_verify(chunk, asoc))
 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
 
-	if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
+	if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk)))
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
 						  commands);
 
@@ -2924,7 +2924,7 @@ sctp_disposition_t sctp_sf_do_ecne(struct net *net,
 	if (!sctp_vtag_verify(chunk, asoc))
 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
 
-	if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
+	if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_ecne_chunk)))
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
 						  commands);