unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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Input: convert autorepeat timer to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Kees Cook 2017-11-03 12:21:48 -07:00 committed by Dmitry Torokhov
parent 5aeaa3e668
commit 4e974c1200
1 changed files with 5 additions and 6 deletions
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11
drivers/input/input.c
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@ -76,7 +76,7 @@ static void input_start_autorepeat(struct input_dev *dev, int code)
{
if (test_bit(EV_REP, dev->evbit) &&
dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] &&
dev->timer.data) {
dev->timer.function) {
dev->repeat_key = code;
mod_timer(&dev->timer,
jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
@ -179,9 +179,9 @@ static void input_pass_event(struct input_dev *dev,
* dev->event_lock here to avoid racing with input_event
* which may cause keys get "stuck".
*/
static void input_repeat_key(unsigned long data)
static void input_repeat_key(struct timer_list *t)
{
struct input_dev *dev = (void *) data;
struct input_dev *dev = from_timer(dev, t, timer);
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
@ -1784,7 +1784,7 @@ struct input_dev *input_allocate_device(void)
device_initialize(&dev->dev);
mutex_init(&dev->mutex);
spin_lock_init(&dev->event_lock);
init_timer(&dev->timer);
timer_setup(&dev->timer, NULL, 0);
INIT_LIST_HEAD(&dev->h_list);
INIT_LIST_HEAD(&dev->node);
@ -2047,8 +2047,7 @@ static void devm_input_device_unregister(struct device *dev, void *res)
*/
void input_enable_softrepeat(struct input_dev *dev, int delay, int period)
{
dev->timer.data = (unsigned long) dev;
dev->timer.function = input_repeat_key;
dev->timer.function = (TIMER_FUNC_TYPE)input_repeat_key;
dev->rep[REP_DELAY] = delay;
dev->rep[REP_PERIOD] = period;
}