sctp: remove the typedef sctp_addiphdr_t

This patch is to remove the typedef sctp_addiphdr_t, and
replace with struct sctp_addiphdr 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

@@ -634,14 +634,14 @@ struct sctp_addip_param {
 	__be32 crr_id;
 };
 
-typedef struct sctp_addiphdr {
+struct sctp_addiphdr {
 	__be32	serial;
 	__u8	params[0];
-} sctp_addiphdr_t;
+};
 
 typedef struct sctp_addip_chunk {
 	struct sctp_chunkhdr chunk_hdr;
-	sctp_addiphdr_t addip_hdr;
+	struct sctp_addiphdr addip_hdr;
 } sctp_addip_chunk_t;
 
 /* AUTH

net/sctp/sm_make_chunk.c

@@ -2752,7 +2752,7 @@ static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
 					   union sctp_addr *addr,
 					   int vparam_len)
 {
-	sctp_addiphdr_t asconf;
+	struct sctp_addiphdr asconf;
 	struct sctp_chunk *retval;
 	int length = sizeof(asconf) + vparam_len;
 	union sctp_addr_param addrparam;
@@ -2945,7 +2945,7 @@ struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
 static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc,
 					       __u32 serial, int vparam_len)
 {
-	sctp_addiphdr_t		asconf;
+	struct sctp_addiphdr	asconf;
 	struct sctp_chunk	*retval;
 	int			length = sizeof(asconf) + vparam_len;
 
@@ -3210,7 +3210,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
 	sctp_addip_chunk_t *addip = (sctp_addip_chunk_t *) asconf->chunk_hdr;
 	bool all_param_pass = true;
 	union sctp_params param;
-	sctp_addiphdr_t		*hdr;
+	struct sctp_addiphdr	*hdr;
 	union sctp_addr_param	*addr_param;
 	struct sctp_chunk	*asconf_ack;
 	__be16	err_code;
@@ -3220,11 +3220,11 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
 
 	chunk_len = ntohs(asconf->chunk_hdr->length) -
 		    sizeof(struct sctp_chunkhdr);
-	hdr = (sctp_addiphdr_t *)asconf->skb->data;
+	hdr = (struct sctp_addiphdr *)asconf->skb->data;
 	serial = ntohl(hdr->serial);
 
 	/* Skip the addiphdr and store a pointer to address parameter.  */
-	length = sizeof(sctp_addiphdr_t);
+	length = sizeof(*hdr);
 	addr_param = (union sctp_addr_param *)(asconf->skb->data + length);
 	chunk_len -= length;
 
@@ -3370,7 +3370,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
 	/* Skip the addiphdr from the asconf_ack chunk and store a pointer to
 	 * the first asconf_ack parameter.
 	 */
-	length = sizeof(sctp_addiphdr_t);
+	length = sizeof(struct sctp_addiphdr);
 	asconf_ack_param = (struct sctp_addip_param *)(asconf_ack->skb->data +
 						       length);
 	asconf_ack_len -= length;
@@ -3435,7 +3435,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
 	 * failures are indicated, then all request(s) are considered
 	 * successful.
 	 */
-	if (asconf_ack->skb->len == sizeof(sctp_addiphdr_t))
+	if (asconf_ack->skb->len == sizeof(struct sctp_addiphdr))
 		all_param_pass = 1;
 
 	/* Process the TLVs contained in the last sent ASCONF chunk. */

net/sctp/sm_statefuns.c

@@ -3613,7 +3613,7 @@ sctp_disposition_t sctp_sf_do_asconf(struct net *net,
 	struct sctp_chunk	*chunk = arg;
 	struct sctp_chunk	*asconf_ack = NULL;
 	struct sctp_paramhdr	*err_param = NULL;
-	sctp_addiphdr_t		*hdr;
+	struct sctp_addiphdr	*hdr;
 	__u32			serial;
 
 	if (!sctp_vtag_verify(chunk, asoc)) {
@@ -3636,7 +3636,7 @@ sctp_disposition_t sctp_sf_do_asconf(struct net *net,
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
 						  commands);
 
-	hdr = (sctp_addiphdr_t *)chunk->skb->data;
+	hdr = (struct sctp_addiphdr *)chunk->skb->data;
 	serial = ntohl(hdr->serial);
 
 	/* Verify the ASCONF chunk before processing it. */
@@ -3730,7 +3730,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(struct net *net,
 	struct sctp_chunk	*last_asconf = asoc->addip_last_asconf;
 	struct sctp_chunk	*abort;
 	struct sctp_paramhdr	*err_param = NULL;
-	sctp_addiphdr_t		*addip_hdr;
+	struct sctp_addiphdr	*addip_hdr;
 	__u32			sent_serial, rcvd_serial;
 
 	if (!sctp_vtag_verify(asconf_ack, asoc)) {
@@ -3753,7 +3753,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(struct net *net,
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
 						  commands);
 
-	addip_hdr = (sctp_addiphdr_t *)asconf_ack->skb->data;
+	addip_hdr = (struct sctp_addiphdr *)asconf_ack->skb->data;
 	rcvd_serial = ntohl(addip_hdr->serial);
 
 	/* Verify the ASCONF-ACK chunk before processing it. */
@@ -3762,7 +3762,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(struct net *net,
 			   (void *)err_param, commands);
 
 	if (last_asconf) {
-		addip_hdr = (sctp_addiphdr_t *)last_asconf->subh.addip_hdr;
+		addip_hdr = (struct sctp_addiphdr *)last_asconf->subh.addip_hdr;
 		sent_serial = ntohl(addip_hdr->serial);
 	} else {
 		sent_serial = asoc->addip_serial - 1;