[SCTP]: "list_for_each()" -> "list_for_each_entry()" where appropriate.
Replacing (almost) all invocations of list_for_each() with
list_for_each_entry() tightens up the code and allows for the deletion
of numerous list iterator variables that are no longer necessary.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 025f467..8c90289 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -513,7 +513,6 @@
union sctp_addr saveaddr;
void *addr_buf;
struct sctp_af *af;
- struct list_head *pos;
struct list_head *p;
int i;
int retval = 0;
@@ -527,8 +526,7 @@
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
- list_for_each(pos, &ep->asocs) {
- asoc = list_entry(pos, struct sctp_association, asocs);
+ list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
@@ -699,7 +697,6 @@
union sctp_addr *laddr;
void *addr_buf;
struct sctp_af *af;
- struct list_head *pos, *pos1;
struct sctp_sockaddr_entry *saddr;
int i;
int retval = 0;
@@ -713,8 +710,7 @@
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
- list_for_each(pos, &ep->asocs) {
- asoc = list_entry(pos, struct sctp_association, asocs);
+ list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
@@ -787,9 +783,8 @@
* as some of the addresses in the bind address list are
* about to be deleted and cannot be used as source addresses.
*/
- list_for_each(pos1, &asoc->peer.transport_addr_list) {
- transport = list_entry(pos1, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, &asoc->peer.transport_addr_list,
+ transports) {
dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
@@ -1397,7 +1392,6 @@
long timeo;
__u16 sinfo_flags = 0;
struct sctp_datamsg *datamsg;
- struct list_head *pos;
int msg_flags = msg->msg_flags;
SCTP_DEBUG_PRINTK("sctp_sendmsg(sk: %p, msg: %p, msg_len: %zu)\n",
@@ -1727,8 +1721,7 @@
}
/* Now send the (possibly) fragmented message. */
- list_for_each(pos, &datamsg->chunks) {
- chunk = list_entry(pos, struct sctp_chunk, frag_list);
+ list_for_each_entry(chunk, &datamsg->chunks, frag_list) {
sctp_chunk_hold(chunk);
/* Do accounting for the write space. */
@@ -2301,11 +2294,8 @@
* transport.
*/
if (!trans && asoc) {
- struct list_head *pos;
-
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- trans = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(trans, &asoc->peer.transport_addr_list,
+ transports) {
sctp_apply_peer_addr_params(¶ms, trans, asoc, sp,
hb_change, pmtud_change,
sackdelay_change);
@@ -2396,11 +2386,8 @@
/* If change is for association, also apply to each transport. */
if (asoc) {
- struct list_head *pos;
-
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- trans = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(trans, &asoc->peer.transport_addr_list,
+ transports) {
if (params.assoc_value) {
trans->sackdelay =
msecs_to_jiffies(params.assoc_value);
@@ -2632,13 +2619,10 @@
if (assocparams.sasoc_asocmaxrxt != 0) {
__u32 path_sum = 0;
int paths = 0;
- struct list_head *pos;
struct sctp_transport *peer_addr;
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- peer_addr = list_entry(pos,
- struct sctp_transport,
- transports);
+ list_for_each_entry(peer_addr, &asoc->peer.transport_addr_list,
+ transports) {
path_sum += peer_addr->pathmaxrxt;
paths++;
}
@@ -2716,7 +2700,6 @@
static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optlen)
{
struct sctp_association *asoc;
- struct list_head *pos;
struct sctp_sock *sp = sctp_sk(sk);
int val;
@@ -2729,8 +2712,7 @@
sp->user_frag = val;
/* Update the frag_point of the existing associations. */
- list_for_each(pos, &(sp->ep->asocs)) {
- asoc = list_entry(pos, struct sctp_association, asocs);
+ list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
asoc->frag_point = sctp_frag_point(sp, asoc->pathmtu);
}
@@ -4151,7 +4133,6 @@
int __user *optlen)
{
struct sctp_association *asoc;
- struct list_head *pos;
int cnt = 0;
struct sctp_getaddrs_old getaddrs;
struct sctp_transport *from;
@@ -4176,8 +4157,8 @@
return -EINVAL;
to = (void __user *)getaddrs.addrs;
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- from = list_entry(pos, struct sctp_transport, transports);
+ list_for_each_entry(from, &asoc->peer.transport_addr_list,
+ transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
@@ -4200,7 +4181,6 @@
char __user *optval, int __user *optlen)
{
struct sctp_association *asoc;
- struct list_head *pos;
int cnt = 0;
struct sctp_getaddrs getaddrs;
struct sctp_transport *from;
@@ -4225,8 +4205,8 @@
to = optval + offsetof(struct sctp_getaddrs,addrs);
space_left = len - offsetof(struct sctp_getaddrs,addrs);
- list_for_each(pos, &asoc->peer.transport_addr_list) {
- from = list_entry(pos, struct sctp_transport, transports);
+ list_for_each_entry(from, &asoc->peer.transport_addr_list,
+ transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
@@ -6193,11 +6173,9 @@
void sctp_write_space(struct sock *sk)
{
struct sctp_association *asoc;
- struct list_head *pos;
/* Wake up the tasks in each wait queue. */
- list_for_each(pos, &((sctp_sk(sk))->ep->asocs)) {
- asoc = list_entry(pos, struct sctp_association, asocs);
+ list_for_each_entry(asoc, &((sctp_sk(sk))->ep->asocs), asocs) {
__sctp_write_space(asoc);
}
}