[ALSA] alsa core: convert to list_for_each_entry*

[safe/jmp/linux-2.6] / sound / core / seq / seq_ports.c

diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 8c64b58..d881534 100644 (file)
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -59,14 +59,12 @@ much elements are in array.
 struct snd_seq_client_port *snd_seq_port_use_ptr(struct snd_seq_client *client,
                                                 int num)
 {
-       struct list_head *p;
        struct snd_seq_client_port *port;
 
        if (client == NULL)
                return NULL;
        read_lock(&client->ports_lock);
-       list_for_each(p, &client->ports_list_head) {
-               port = list_entry(p, struct snd_seq_client_port, list);
+       list_for_each_entry(port, &client->ports_list_head, list) {
                if (port->addr.port == num) {
                        if (port->closing)
                                break; /* deleting now */
@@ -85,14 +83,12 @@ struct snd_seq_client_port *snd_seq_port_query_nearest(struct snd_seq_client *cl
                                                       struct snd_seq_port_info *pinfo)
 {
        int num;
-       struct list_head *p;
        struct snd_seq_client_port *port, *found;
 
        num = pinfo->addr.port;
        found = NULL;
        read_lock(&client->ports_lock);
-       list_for_each(p, &client->ports_list_head) {
-               port = list_entry(p, struct snd_seq_client_port, list);
+       list_for_each_entry(port, &client->ports_list_head, list) {
                if (port->addr.port < num)
                        continue;
                if (port->addr.port == num) {
@@ -131,8 +127,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
                                                int port)
 {
        unsigned long flags;
-       struct snd_seq_client_port *new_port;
-       struct list_head *l;
+       struct snd_seq_client_port *new_port, *p;
        int num = -1;
        
        /* sanity check */
@@ -161,15 +156,14 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
        num = port >= 0 ? port : 0;
        mutex_lock(&client->ports_mutex);
        write_lock_irqsave(&client->ports_lock, flags);
-       list_for_each(l, &client->ports_list_head) {
-               struct snd_seq_client_port *p = list_entry(l, struct snd_seq_client_port, list);
+       list_for_each_entry(p, &client->ports_list_head, list) {
                if (p->addr.port > num)
                        break;
                if (port < 0) /* auto-probe mode */
                        num = p->addr.port + 1;
        }
        /* insert the new port */
-       list_add_tail(&new_port->list, l);
+       list_add_tail(&new_port->list, &p->list);
        client->num_ports++;
        new_port->addr.port = num;      /* store the port number in the port */
        write_unlock_irqrestore(&client->ports_lock, flags);
@@ -287,16 +281,14 @@ static int port_delete(struct snd_seq_client *client,
 int snd_seq_delete_port(struct snd_seq_client *client, int port)
 {
        unsigned long flags;
-       struct list_head *l;
-       struct snd_seq_client_port *found = NULL;
+       struct snd_seq_client_port *found = NULL, *p;
 
        mutex_lock(&client->ports_mutex);
        write_lock_irqsave(&client->ports_lock, flags);
-       list_for_each(l, &client->ports_list_head) {
-               struct snd_seq_client_port *p = list_entry(l, struct snd_seq_client_port, list);
+       list_for_each_entry(p, &client->ports_list_head, list) {
                if (p->addr.port == port) {
                        /* ok found.  delete from the list at first */
-                       list_del(l);
+                       list_del(&p->list);
                        client->num_ports--;
                        found = p;
                        break;
@@ -314,7 +306,8 @@ int snd_seq_delete_port(struct snd_seq_client *client, int port)
 int snd_seq_delete_all_ports(struct snd_seq_client *client)
 {
        unsigned long flags;
-       struct list_head deleted_list, *p, *n;
+       struct list_head deleted_list;
+       struct snd_seq_client_port *port, *tmp;
        
        /* move the port list to deleted_list, and
         * clear the port list in the client data.
@@ -331,9 +324,8 @@ int snd_seq_delete_all_ports(struct snd_seq_client *client)
        write_unlock_irqrestore(&client->ports_lock, flags);
 
        /* remove each port in deleted_list */
-       list_for_each_safe(p, n, &deleted_list) {
-               struct snd_seq_client_port *port = list_entry(p, struct snd_seq_client_port, list);
-               list_del(p);
+       list_for_each_entry_safe(port, tmp, &deleted_list, list) {
+               list_del(&port->list);
                snd_seq_system_client_ev_port_exit(port->addr.client, port->addr.port);
                port_delete(client, port);
        }
@@ -500,8 +492,7 @@ int snd_seq_port_connect(struct snd_seq_client *connector,
 {
        struct snd_seq_port_subs_info *src = &src_port->c_src;
        struct snd_seq_port_subs_info *dest = &dest_port->c_dest;
-       struct snd_seq_subscribers *subs;
-       struct list_head *p;
+       struct snd_seq_subscribers *subs, *s;
        int err, src_called = 0;
        unsigned long flags;
        int exclusive;
@@ -525,13 +516,11 @@ int snd_seq_port_connect(struct snd_seq_client *connector,
                if (src->exclusive || dest->exclusive)
                        goto __error;
                /* check whether already exists */
-               list_for_each(p, &src->list_head) {
-                       struct snd_seq_subscribers *s = list_entry(p, struct snd_seq_subscribers, src_list);
+               list_for_each_entry(s, &src->list_head, src_list) {
                        if (match_subs_info(info, &s->info))
                                goto __error;
                }
-               list_for_each(p, &dest->list_head) {
-                       struct snd_seq_subscribers *s = list_entry(p, struct snd_seq_subscribers, dest_list);
+               list_for_each_entry(s, &dest->list_head, dest_list) {
                        if (match_subs_info(info, &s->info))
                                goto __error;
                }
@@ -582,7 +571,6 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
        struct snd_seq_port_subs_info *src = &src_port->c_src;
        struct snd_seq_port_subs_info *dest = &dest_port->c_dest;
        struct snd_seq_subscribers *subs;
-       struct list_head *p;
        int err = -ENOENT;
        unsigned long flags;
 
@@ -590,8 +578,7 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
        down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
 
        /* look for the connection */
-       list_for_each(p, &src->list_head) {
-               subs = list_entry(p, struct snd_seq_subscribers, src_list);
+       list_for_each_entry(subs, &src->list_head, src_list) {
                if (match_subs_info(info, &subs->info)) {
                        write_lock_irqsave(&src->list_lock, flags);
                        // write_lock(&dest->list_lock);  // no lock yet
@@ -620,12 +607,10 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
 struct snd_seq_subscribers *snd_seq_port_get_subscription(struct snd_seq_port_subs_info *src_grp,
                                                          struct snd_seq_addr *dest_addr)
 {
-       struct list_head *p;
        struct snd_seq_subscribers *s, *found = NULL;
 
        down_read(&src_grp->list_mutex);
-       list_for_each(p, &src_grp->list_head) {
-               s = list_entry(p, struct snd_seq_subscribers, src_list);
+       list_for_each_entry(s, &src_grp->list_head, src_list) {
                if (addr_match(dest_addr, &s->info.dest)) {
                        found = s;
                        break;