sctp: remove the typedef sctp_sack_chunk_t

This patch is to remove the typedef sctp_sack_chunk_t, and
replace with struct sctp_sack_chunk in the places where it's
using this typedef.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/sctp.h

@@ -381,10 +381,10 @@ struct sctp_sackhdr {
 	union sctp_sack_variable variable[0];
 };
 
-typedef struct sctp_sack_chunk {
+struct sctp_sack_chunk {
 	struct sctp_chunkhdr chunk_hdr;
 	struct sctp_sackhdr sack_hdr;
-} sctp_sack_chunk_t;
+};
 
 
 /* RFC 2960.  Section 3.3.5 Heartbeat Request (HEARTBEAT) (4):

net/sctp/chunk.c

@@ -221,7 +221,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 	    asoc->outqueue.out_qlen == 0 &&
 	    list_empty(&asoc->outqueue.retransmit) &&
 	    msg_len > max_data)
-		first_len -= SCTP_PAD4(sizeof(sctp_sack_chunk_t));
+		first_len -= SCTP_PAD4(sizeof(struct sctp_sack_chunk));
 
 	/* Encourage Cookie-ECHO bundling. */
 	if (asoc->state < SCTP_STATE_COOKIE_ECHOED)

net/sctp/sm_statefuns.c

@@ -3194,7 +3194,7 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(struct net *net,
 		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
 
 	/* Make sure that the SACK chunk has a valid length. */
-	if (!sctp_chunk_length_valid(chunk, sizeof(sctp_sack_chunk_t)))
+	if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_sack_chunk)))
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
 						  commands);
 
@@ -4515,7 +4515,7 @@ nomem:
  * Handle a protocol violation when the chunk length is invalid.
  * "Invalid" length is identified as smaller than the minimal length a
  * given chunk can be.  For example, a SACK chunk has invalid length
- * if its length is set to be smaller than the size of sctp_sack_chunk_t.
+ * if its length is set to be smaller than the size of struct sctp_sack_chunk.
  *
  * We inform the other end by sending an ABORT with a Protocol Violation
  * error code.