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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-05 17:56:04 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-06 00:22:23 -0800
commit4516c8183213b59c3645d810ccb04b70c2606743 (patch)
treefab594d014d82a6172bb54fd4328670ed14fe646 /drivers/input/serio/serio.c
parentddf1ffbd40c92ff1e58c45fa96d309788f7beb60 (diff)
Input: serio - use list_first_entry() helper
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/serio/serio.c')
-rw-r--r--drivers/input/serio/serio.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index d89880450f77..7fbf7670ae09 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -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);
}
}