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Input: serio - use list_first_entry() helper

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2010-01-05 17:56:04 -08:00
parent ddf1ffbd40
commit 4516c81832
1 changed files with 11 additions and 20 deletions
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31
drivers/input/serio/serio.c
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@ -230,14 +230,12 @@ static void serio_free_event(struct serio_event *event)
static void serio_remove_duplicate_events(struct serio_event *event)
{
struct list_head *node, *next;
struct serio_event *e;
struct serio_event *e, *next;
unsigned long flags;
spin_lock_irqsave(&serio_event_lock, flags);
list_for_each_safe(node, next, &serio_event_list) {
e = list_entry(node, struct serio_event, node);
list_for_each_entry_safe(e, next, &serio_event_list, node) {
if (event->object == e->object) {
/*
* If this event is of different type we should not
@ -247,7 +245,7 @@ static void serio_remove_duplicate_events(struct serio_event *event)
if (event->type != e->type)
break;
list_del_init(node);
list_del_init(&e->node);
serio_free_event(e);
}
}
@ -258,23 +256,18 @@ static void serio_remove_duplicate_events(struct serio_event *event)
static struct serio_event *serio_get_event(void)
{
struct serio_event *event;
struct list_head *node;
struct serio_event *event = NULL;
unsigned long flags;
spin_lock_irqsave(&serio_event_lock, flags);
if (list_empty(&serio_event_list)) {
spin_unlock_irqrestore(&serio_event_lock, flags);
return NULL;
if (!list_empty(&serio_event_list)) {
event = list_first_entry(&serio_event_list,
struct serio_event, node);
list_del_init(&event->node);
}
node = serio_event_list.next;
event = list_entry(node, struct serio_event, node);
list_del_init(node);
spin_unlock_irqrestore(&serio_event_lock, flags);
return event;
}
@ -331,16 +324,14 @@ static void serio_handle_event(void)
*/
static void serio_remove_pending_events(void *object)
{
struct list_head *node, *next;
struct serio_event *event;
struct serio_event *event, *next;
unsigned long flags;
spin_lock_irqsave(&serio_event_lock, flags);
list_for_each_safe(node, next, &serio_event_list) {
event = list_entry(node, struct serio_event, node);
list_for_each_entry_safe(event, next, &serio_event_list, node) {
if (event->object == object) {
list_del_init(node);
list_del_init(&event->node);
serio_free_event(event);
}
}