[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/outqueue.c b/net/sctp/outqueue.c
index 392012f..213c2e2 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -221,12 +221,12 @@
void sctp_outq_teardown(struct sctp_outq *q)
{
struct sctp_transport *transport;
- struct list_head *lchunk, *pos, *temp;
+ struct list_head *lchunk, *temp;
struct sctp_chunk *chunk, *tmp;
/* Throw away unacknowledged chunks. */
- list_for_each(pos, &q->asoc->peer.transport_addr_list) {
- transport = list_entry(pos, struct sctp_transport, transports);
+ list_for_each_entry(transport, &q->asoc->peer.transport_addr_list,
+ transports) {
while ((lchunk = sctp_list_dequeue(&transport->transmitted)) != NULL) {
chunk = list_entry(lchunk, struct sctp_chunk,
transmitted_list);
@@ -538,7 +538,7 @@
int rtx_timeout, int *start_timer)
{
struct list_head *lqueue;
- struct list_head *lchunk, *lchunk1;
+ struct list_head *lchunk;
struct sctp_transport *transport = pkt->transport;
sctp_xmit_t status;
struct sctp_chunk *chunk, *chunk1;
@@ -649,9 +649,7 @@
* to be marked as ineligible for a subsequent fast retransmit.
*/
if (rtx_timeout && !lchunk) {
- list_for_each(lchunk1, lqueue) {
- chunk1 = list_entry(lchunk1, struct sctp_chunk,
- transmitted_list);
+ list_for_each_entry(chunk1, lqueue, transmitted_list) {
if (chunk1->fast_retransmit > 0)
chunk1->fast_retransmit = -1;
}
@@ -1037,7 +1035,6 @@
static __u32 sctp_highest_new_tsn(struct sctp_sackhdr *sack,
struct sctp_association *asoc)
{
- struct list_head *ltransport, *lchunk;
struct sctp_transport *transport;
struct sctp_chunk *chunk;
__u32 highest_new_tsn, tsn;
@@ -1045,12 +1042,9 @@
highest_new_tsn = ntohl(sack->cum_tsn_ack);
- list_for_each(ltransport, transport_list) {
- transport = list_entry(ltransport, struct sctp_transport,
- transports);
- list_for_each(lchunk, &transport->transmitted) {
- chunk = list_entry(lchunk, struct sctp_chunk,
- transmitted_list);
+ list_for_each_entry(transport, transport_list, transports) {
+ list_for_each_entry(chunk, &transport->transmitted,
+ transmitted_list) {
tsn = ntohl(chunk->subh.data_hdr->tsn);
if (!chunk->tsn_gap_acked &&
@@ -1073,7 +1067,7 @@
struct sctp_association *asoc = q->asoc;
struct sctp_transport *transport;
struct sctp_chunk *tchunk = NULL;
- struct list_head *lchunk, *transport_list, *pos, *temp;
+ struct list_head *lchunk, *transport_list, *temp;
sctp_sack_variable_t *frags = sack->variable;
__u32 sack_ctsn, ctsn, tsn;
__u32 highest_tsn, highest_new_tsn;
@@ -1099,9 +1093,8 @@
*/
if (TSN_lte(primary->cacc.next_tsn_at_change, sack_ctsn)) {
primary->cacc.changeover_active = 0;
- list_for_each(pos, transport_list) {
- transport = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, transport_list,
+ transports) {
transport->cacc.cycling_changeover = 0;
}
}
@@ -1116,9 +1109,7 @@
*/
if (sack->num_gap_ack_blocks &&
primary->cacc.changeover_active) {
- list_for_each(pos, transport_list) {
- transport = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, transport_list, transports) {
transport->cacc.cacc_saw_newack = 0;
}
}
@@ -1147,9 +1138,7 @@
*
* This is a MASSIVE candidate for optimization.
*/
- list_for_each(pos, transport_list) {
- transport = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, transport_list, transports) {
sctp_check_transmitted(q, &transport->transmitted,
transport, sack, highest_new_tsn);
/*
@@ -1161,9 +1150,7 @@
count_of_newacks ++;
}
- list_for_each(pos, transport_list) {
- transport = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, transport_list, transports) {
sctp_mark_missing(q, &transport->transmitted, transport,
highest_new_tsn, count_of_newacks);
}
@@ -1220,9 +1207,7 @@
if (!q->empty)
goto finish;
- list_for_each(pos, transport_list) {
- transport = list_entry(pos, struct sctp_transport,
- transports);
+ list_for_each_entry(transport, transport_list, transports) {
q->empty = q->empty && list_empty(&transport->transmitted);
if (!q->empty)
goto finish;
@@ -1596,14 +1581,12 @@
int count_of_newacks)
{
struct sctp_chunk *chunk;
- struct list_head *pos;
__u32 tsn;
char do_fast_retransmit = 0;
struct sctp_transport *primary = q->asoc->peer.primary_path;
- list_for_each(pos, transmitted_queue) {
+ list_for_each_entry(chunk, transmitted_queue, transmitted_list) {
- chunk = list_entry(pos, struct sctp_chunk, transmitted_list);
tsn = ntohl(chunk->subh.data_hdr->tsn);
/* RFC 2960 7.2.4, sctpimpguide-05 2.8.2 M3) Examine all