sctp: remove the typedef sctp_supported_ext_param_t

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

It is also to use sizeof(variable) instead of sizeof(type).
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/sctp.h

@@ -309,10 +309,10 @@ struct sctp_adaptation_ind_param {
 };
 
 /* ADDIP Section 4.2.7 Supported Extensions Parameter */
-typedef struct sctp_supported_ext_param {
+struct sctp_supported_ext_param {
 	struct sctp_paramhdr param_hdr;
 	__u8 chunks[0];
-} sctp_supported_ext_param_t;
+};
 
 /* AUTH Section 3.1 Random */
 typedef struct sctp_random_param {

net/sctp/sm_make_chunk.c

@@ -226,7 +226,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 	struct sctp_supported_addrs_param sat;
 	__be16 types[2];
 	struct sctp_adaptation_ind_param aiparam;
-	sctp_supported_ext_param_t ext_param;
+	struct sctp_supported_ext_param ext_param;
 	int num_ext = 0;
 	__u8 extensions[3];
 	struct sctp_paramhdr *auth_chunks = NULL,
@@ -305,8 +305,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 
 	/* If we have any extensions to report, account for that */
 	if (num_ext)
-		chunksize += SCTP_PAD4(sizeof(sctp_supported_ext_param_t) +
-				       num_ext);
+		chunksize += SCTP_PAD4(sizeof(ext_param) + num_ext);
 
 	/* RFC 2960 3.3.2 Initiation (INIT) (1)
 	 *
@@ -348,10 +347,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 	 */
 	if (num_ext) {
 		ext_param.param_hdr.type = SCTP_PARAM_SUPPORTED_EXT;
-		ext_param.param_hdr.length =
-			    htons(sizeof(sctp_supported_ext_param_t) + num_ext);
-		sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
-				&ext_param);
+		ext_param.param_hdr.length = htons(sizeof(ext_param) + num_ext);
+		sctp_addto_chunk(retval, sizeof(ext_param), &ext_param);
 		sctp_addto_param(retval, num_ext, extensions);
 	}
 
@@ -394,7 +391,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 	int cookie_len;
 	size_t chunksize;
 	struct sctp_adaptation_ind_param aiparam;
-	sctp_supported_ext_param_t ext_param;
+	struct sctp_supported_ext_param ext_param;
 	int num_ext = 0;
 	__u8 extensions[3];
 	struct sctp_paramhdr *auth_chunks = NULL,
@@ -468,8 +465,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 	}
 
 	if (num_ext)
-		chunksize += SCTP_PAD4(sizeof(sctp_supported_ext_param_t) +
-				       num_ext);
+		chunksize += SCTP_PAD4(sizeof(ext_param) + num_ext);
 
 	/* Now allocate and fill out the chunk.  */
 	retval = sctp_make_control(asoc, SCTP_CID_INIT_ACK, 0, chunksize, gfp);
@@ -495,10 +491,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 		sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);
 	if (num_ext) {
 		ext_param.param_hdr.type = SCTP_PARAM_SUPPORTED_EXT;
-		ext_param.param_hdr.length =
-			    htons(sizeof(sctp_supported_ext_param_t) + num_ext);
-		sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),
-				 &ext_param);
+		ext_param.param_hdr.length = htons(sizeof(ext_param) + num_ext);
+		sctp_addto_chunk(retval, sizeof(ext_param), &ext_param);
 		sctp_addto_param(retval, num_ext, extensions);
 	}
 	if (asoc->peer.prsctp_capable)