sctp: remove the typedef sctp_sctphdr_t

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

It is also to fix some indents and 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>

7 files changed, 24 insertions, 25 deletions

diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 7a4804c4a593..85540ec4b561 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -57,12 +57,12 @@
 #include <uapi/linux/sctp.h>
 
 /* Section 3.1.  SCTP Common Header Format */
-typedef struct sctphdr {
+struct sctphdr {
         __be16 source;
         __be16 dest;
         __be32 vtag;
         __le32 checksum;
-} sctp_sctphdr_t;
+};
 
 static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
 {
diff --git a/net/netfilter/ipset/ip_set_getport.c b/net/netfilter/ipset/ip_set_getport.c
index 42c3e3ba1b94..3f09cdb42562 100644
--- a/net/netfilter/ipset/ip_set_getport.c
+++ b/net/netfilter/ipset/ip_set_getport.c
@@ -38,8 +38,8 @@ get_port(const struct sk_buff *skb, int protocol, unsigned int protooff,
                 break;
         }
         case IPPROTO_SCTP: {
-                sctp_sctphdr_t _sh;
-                const sctp_sctphdr_t *sh;
+                struct sctphdr _sh;
+                const struct sctphdr *sh;
 
                 sh = skb_header_pointer(skb, protooff, sizeof(_sh), &_sh);
                 if (!sh)
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index ad99c1ceea6f..6f39af9fd6df 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1038,8 +1038,8 @@ static int ip_vs_out_icmp_v6(struct netns_ipvs *ipvs, struct sk_buff *skb,
 static inline int is_sctp_abort(const struct sk_buff *skb, int nh_len)
 {
         sctp_chunkhdr_t *sch, schunk;
-        sch = skb_header_pointer(skb, nh_len + sizeof(sctp_sctphdr_t),
-                        sizeof(schunk), &schunk);
+        sch = skb_header_pointer(skb, nh_len + sizeof(struct sctphdr),
+                                 sizeof(schunk), &schunk);
         if (sch == NULL)
                 return 0;
         if (sch->type == SCTP_CID_ABORT)
@@ -1072,7 +1072,7 @@ static inline bool is_new_conn(const struct sk_buff *skb,
         case IPPROTO_SCTP: {
                 sctp_chunkhdr_t *sch, schunk;
 
-                sch = skb_header_pointer(skb, iph->len + sizeof(sctp_sctphdr_t),
+                sch = skb_header_pointer(skb, iph->len + sizeof(struct sctphdr),
                                          sizeof(schunk), &schunk);
                 if (sch == NULL)
                         return false;
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 56f8e4b204ff..6b38cadab822 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -16,15 +16,14 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
 {
         struct ip_vs_service *svc;
         sctp_chunkhdr_t _schunkh, *sch;
-        sctp_sctphdr_t *sh, _sctph;
+        struct sctphdr *sh, _sctph;
         __be16 _ports[2], *ports = NULL;
 
         if (likely(!ip_vs_iph_icmp(iph))) {
                 sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph);
                 if (sh) {
-                        sch = skb_header_pointer(
-                                skb, iph->len + sizeof(sctp_sctphdr_t),
-                                sizeof(_schunkh), &_schunkh);
+                        sch = skb_header_pointer(skb, iph->len + sizeof(_sctph),
+                                                 sizeof(_schunkh), &_schunkh);
                         if (sch && (sch->type == SCTP_CID_INIT ||
                                     sysctl_sloppy_sctp(ipvs)))
                                 ports = &sh->source;
@@ -77,7 +76,7 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
         return 1;
 }
 
-static void sctp_nat_csum(struct sk_buff *skb, sctp_sctphdr_t *sctph,
+static void sctp_nat_csum(struct sk_buff *skb, struct sctphdr *sctph,
                           unsigned int sctphoff)
 {
         sctph->checksum = sctp_compute_cksum(skb, sctphoff);
@@ -88,7 +87,7 @@ static int
 sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
                   struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
 {
-        sctp_sctphdr_t *sctph;
+        struct sctphdr *sctph;
         unsigned int sctphoff = iph->len;
         bool payload_csum = false;
 
@@ -135,7 +134,7 @@ static int
 sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
                   struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
 {
-        sctp_sctphdr_t *sctph;
+        struct sctphdr *sctph;
         unsigned int sctphoff = iph->len;
         bool payload_csum = false;
 
@@ -389,7 +388,7 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
         ihl = ip_hdrlen(skb);
 #endif
 
-        cofs = ihl + sizeof(sctp_sctphdr_t);
+        cofs = ihl + sizeof(struct sctphdr);
         sch = skb_header_pointer(skb, cofs, sizeof(_sctpch), &_sctpch);
         if (sch == NULL)
                 return;
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 1c5b14a6cab3..db87af41c342 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -190,7 +190,7 @@ static void sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
 }
 
 #define for_each_sctp_chunk(skb, sch, _sch, offset, dataoff, count)     \
-for ((offset) = (dataoff) + sizeof(sctp_sctphdr_t), (count) = 0;        \
+for ((offset) = (dataoff) + sizeof(struct sctphdr), (count) = 0;        \
         (offset) < (skb)->len &&                                        \
         ((sch) = skb_header_pointer((skb), (offset), sizeof(_sch), &(_sch)));   \
         (offset) += (ntohs((sch)->length) + 3) & ~3, (count)++)
diff --git a/net/netfilter/nf_nat_proto_sctp.c b/net/netfilter/nf_nat_proto_sctp.c
index 804e8a0ab36e..c57ee3240b1d 100644
--- a/net/netfilter/nf_nat_proto_sctp.c
+++ b/net/netfilter/nf_nat_proto_sctp.c
@@ -32,7 +32,7 @@ sctp_manip_pkt(struct sk_buff *skb,
                const struct nf_conntrack_tuple *tuple,
                enum nf_nat_manip_type maniptype)
 {
-        sctp_sctphdr_t *hdr;
+        struct sctphdr *hdr;
         int hdrsize = 8;
 
         /* This could be an inner header returned in imcp packet; in such
diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c
index 4dedb96d1a06..0f20ea4f511e 100644
--- a/net/netfilter/xt_sctp.c
+++ b/net/netfilter/xt_sctp.c
@@ -118,8 +118,8 @@ static bool
 sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
 {
         const struct xt_sctp_info *info = par->matchinfo;
-        const sctp_sctphdr_t *sh;
-        sctp_sctphdr_t _sh;
+        const struct sctphdr *sh;
+        struct sctphdr _sh;
 
         if (par->fragoff != 0) {
                 pr_debug("Dropping non-first fragment.. FIXME\n");
@@ -136,13 +136,13 @@ sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
 
         return  SCCHECK(ntohs(sh->source) >= info->spts[0]
                         && ntohs(sh->source) <= info->spts[1],
-                        XT_SCTP_SRC_PORTS, info->flags, info->invflags)
-                && SCCHECK(ntohs(sh->dest) >= info->dpts[0]
+                        XT_SCTP_SRC_PORTS, info->flags, info->invflags) &&
+                SCCHECK(ntohs(sh->dest) >= info->dpts[0]
                         && ntohs(sh->dest) <= info->dpts[1],
-                        XT_SCTP_DEST_PORTS, info->flags, info->invflags)
-                && SCCHECK(match_packet(skb, par->thoff + sizeof(sctp_sctphdr_t),
-                                        info, &par->hotdrop),
-                           XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
+                        XT_SCTP_DEST_PORTS, info->flags, info->invflags) &&
+                SCCHECK(match_packet(skb, par->thoff + sizeof(_sh),
+                                     info, &par->hotdrop),
+                        XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
 }
 
 static int sctp_mt_check(const struct xt_mtchk_param *par)