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SCTP: Convert custom hash lists to use hlist.

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Convert the custom hash list traversals to use hlist functions.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Vlad Yasevich 2007-11-09 11:43:40 -05:00
parent 123ed979ea
commit d970dbf845
7 changed files with 32 additions and 53 deletions
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14
net/sctp/socket.c
View file

@ -5307,6 +5307,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
{
struct sctp_bind_hashbucket *head; /* hash list */
struct sctp_bind_bucket *pp; /* hash list port iterator */
struct hlist_node *node;
unsigned short snum;
int ret;
@ -5331,7 +5332,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
index = sctp_phashfn(rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
for (pp = head->chain; pp; pp = pp->next)
sctp_for_each_hentry(pp, node, &head->chain)
if (pp->port == rover)
goto next;
break;
@ -5358,7 +5359,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
*/
head = &sctp_port_hashtable[sctp_phashfn(snum)];
sctp_spin_lock(&head->lock);
for (pp = head->chain; pp; pp = pp->next) {
sctp_for_each_hentry(pp, node, &head->chain) {
if (pp->port == snum)
goto pp_found;
}
@ -5702,10 +5703,7 @@ static struct sctp_bind_bucket *sctp_bucket_create(
pp->port = snum;
pp->fastreuse = 0;
INIT_HLIST_HEAD(&pp->owner);
if ((pp->next = head->chain) != NULL)
pp->next->pprev = &pp->next;
head->chain = pp;
pp->pprev = &head->chain;
hlist_add_head(&pp->node, &head->chain);
}
return pp;
}
@ -5714,9 +5712,7 @@ static struct sctp_bind_bucket *sctp_bucket_create(
static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
{
if (pp && hlist_empty(&pp->owner)) {
if (pp->next)
pp->next->pprev = pp->pprev;
*(pp->pprev) = pp->next;
__hlist_del(&pp->node);
kmem_cache_free(sctp_bucket_cachep, pp);
SCTP_DBG_OBJCNT_DEC(bind_bucket);
}