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WSL2-Linux-Kernel
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ALSA: usb-audio: Convert timers to use timer_setup() 

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: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Kees Cook 2017-10-16 16:07:31 -07:00 коммит произвёл Takashi Iwai
Родитель 0011a33f09
Коммит a6162afa71
7 изменённых файлов: 35 добавлений и 39 удалений
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4
sound/usb/line6/driver.c
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@ -199,9 +199,9 @@ static int line6_send_raw_message_async_part(struct message *msg,
Setup and start timer.
*/
void line6_start_timer(struct timer_list *timer, unsigned long msecs,
void (*function)(unsigned long), unsigned long data)
void (*function)(struct timer_list *t))
{
setup_timer(timer, function, data);
timer->function = (TIMER_FUNC_TYPE)function;
mod_timer(timer, jiffies + msecs_to_jiffies(msecs));
}
EXPORT_SYMBOL_GPL(line6_start_timer);

3
sound/usb/line6/driver.h
Просмотреть файл

@ -198,8 +198,7 @@ extern int line6_send_sysex_message(struct usb_line6 *line6,
extern ssize_t line6_set_raw(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
extern void line6_start_timer(struct timer_list *timer, unsigned long msecs,
void (*function)(unsigned long),
unsigned long data);
void (*function)(struct timer_list *t));
extern int line6_version_request_async(struct usb_line6 *line6);
extern int line6_write_data(struct usb_line6 *line6, unsigned address,
void *data, unsigned datalen);

11
sound/usb/line6/pod.c
Просмотреть файл

@ -174,7 +174,7 @@ static const char pod_version_header[] = {
};
/* forward declarations: */
static void pod_startup2(unsigned long data);
static void pod_startup2(struct timer_list *t);
static void pod_startup3(struct usb_line6_pod *pod);
static char *pod_alloc_sysex_buffer(struct usb_line6_pod *pod, int code,
@ -286,13 +286,12 @@ static void pod_startup1(struct usb_line6_pod *pod)
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_INIT);
/* delay startup procedure: */
line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2,
(unsigned long)pod);
line6_start_timer(&pod->startup_timer, POD_STARTUP_DELAY, pod_startup2);
}
static void pod_startup2(unsigned long data)
static void pod_startup2(struct timer_list *t)
{
struct usb_line6_pod *pod = (struct usb_line6_pod *)data;
struct usb_line6_pod *pod = from_timer(pod, t, startup_timer);
struct usb_line6 *line6 = &pod->line6;
CHECK_STARTUP_PROGRESS(pod->startup_progress, POD_STARTUP_VERSIONREQ);
@ -413,7 +412,7 @@ static int pod_init(struct usb_line6 *line6,
line6->process_message = line6_pod_process_message;
line6->disconnect = line6_pod_disconnect;
init_timer(&pod->startup_timer);
timer_setup(&pod->startup_timer, NULL, 0);
INIT_WORK(&pod->startup_work, pod_startup4);
/* create sysfs entries: */

10
sound/usb/line6/podhd.c
Просмотреть файл

@ -158,7 +158,7 @@ static struct line6_pcm_properties podx3_pcm_properties = {
};
static struct usb_driver podhd_driver;
static void podhd_startup_start_workqueue(unsigned long data);
static void podhd_startup_start_workqueue(struct timer_list *t);
static void podhd_startup_workqueue(struct work_struct *work);
static int podhd_startup_finalize(struct usb_line6_podhd *pod);
@ -208,12 +208,12 @@ static void podhd_startup(struct usb_line6_podhd *pod)
/* delay startup procedure: */
line6_start_timer(&pod->startup_timer, PODHD_STARTUP_DELAY,
podhd_startup_start_workqueue, (unsigned long)pod);
podhd_startup_start_workqueue);
}
static void podhd_startup_start_workqueue(unsigned long data)
static void podhd_startup_start_workqueue(struct timer_list *t)
{
struct usb_line6_podhd *pod = (struct usb_line6_podhd *)data;
struct usb_line6_podhd *pod = from_timer(pod, t, startup_timer);
CHECK_STARTUP_PROGRESS(pod->startup_progress,
PODHD_STARTUP_SCHEDULE_WORKQUEUE);
@ -319,7 +319,7 @@ static int podhd_init(struct usb_line6 *line6,
line6->disconnect = podhd_disconnect;
init_timer(&pod->startup_timer);
timer_setup(&pod->startup_timer, NULL, 0);
INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {

7
sound/usb/line6/toneport.c
Просмотреть файл

@ -241,9 +241,9 @@ static int snd_toneport_source_put(struct snd_kcontrol *kcontrol,
return 1;
}
static void toneport_start_pcm(unsigned long arg)
static void toneport_start_pcm(struct timer_list *t)
{
struct usb_line6_toneport *toneport = (struct usb_line6_toneport *)arg;
struct usb_line6_toneport *toneport = from_timer(toneport, t, timer);
struct usb_line6 *line6 = &toneport->line6;
line6_pcm_acquire(line6->line6pcm, LINE6_STREAM_MONITOR, true);
@ -415,8 +415,7 @@ static int toneport_init(struct usb_line6 *line6,
struct usb_line6_toneport *toneport = (struct usb_line6_toneport *) line6;
toneport->type = id->driver_info;
setup_timer(&toneport->timer, toneport_start_pcm,
(unsigned long)toneport);
timer_setup(&toneport->timer, toneport_start_pcm, 0);
line6->disconnect = line6_toneport_disconnect;

32
sound/usb/line6/variax.c
Просмотреть файл

@ -82,9 +82,9 @@ static const char variax_activate[] = {
};
/* forward declarations: */
static void variax_startup2(unsigned long data);
static void variax_startup4(unsigned long data);
static void variax_startup5(unsigned long data);
static void variax_startup2(struct timer_list *t);
static void variax_startup4(struct timer_list *t);
static void variax_startup5(struct timer_list *t);
static void variax_activate_async(struct usb_line6_variax *variax, int a)
{
@ -106,12 +106,12 @@ static void variax_startup1(struct usb_line6_variax *variax)
/* delay startup procedure: */
line6_start_timer(&variax->startup_timer1, VARIAX_STARTUP_DELAY1,
variax_startup2, (unsigned long)variax);
variax_startup2);
}
static void variax_startup2(unsigned long data)
static void variax_startup2(struct timer_list *t)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)data;
struct usb_line6_variax *variax = from_timer(variax, t, startup_timer1);
struct usb_line6 *line6 = &variax->line6;
/* schedule another startup procedure until startup is complete: */
@ -120,7 +120,7 @@ static void variax_startup2(unsigned long data)
variax->startup_progress = VARIAX_STARTUP_VERSIONREQ;
line6_start_timer(&variax->startup_timer1, VARIAX_STARTUP_DELAY1,
variax_startup2, (unsigned long)variax);
variax_startup2);
/* request firmware version: */
line6_version_request_async(line6);
@ -132,12 +132,12 @@ static void variax_startup3(struct usb_line6_variax *variax)
/* delay startup procedure: */
line6_start_timer(&variax->startup_timer2, VARIAX_STARTUP_DELAY3,
variax_startup4, (unsigned long)variax);
variax_startup4);
}
static void variax_startup4(unsigned long data)
static void variax_startup4(struct timer_list *t)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)data;
struct usb_line6_variax *variax = from_timer(variax, t, startup_timer2);
CHECK_STARTUP_PROGRESS(variax->startup_progress,
VARIAX_STARTUP_ACTIVATE);
@ -145,12 +145,12 @@ static void variax_startup4(unsigned long data)
/* activate device: */
variax_activate_async(variax, 1);
line6_start_timer(&variax->startup_timer2, VARIAX_STARTUP_DELAY4,
variax_startup5, (unsigned long)variax);
variax_startup5);
}
static void variax_startup5(unsigned long data)
static void variax_startup5(struct timer_list *t)
{
struct usb_line6_variax *variax = (struct usb_line6_variax *)data;
struct usb_line6_variax *variax = from_timer(variax, t, startup_timer2);
CHECK_STARTUP_PROGRESS(variax->startup_progress,
VARIAX_STARTUP_WORKQUEUE);
@ -190,7 +190,7 @@ static void line6_variax_process_message(struct usb_line6 *line6)
} else if (memcmp(buf + 1, variax_init_done + 1,
sizeof(variax_init_done) - 1) == 0) {
/* notify of complete initialization: */
variax_startup4((unsigned long)variax);
variax_startup4(&variax->startup_timer2);
}
break;
}
@ -222,8 +222,8 @@ static int variax_init(struct usb_line6 *line6,
line6->process_message = line6_variax_process_message;
line6->disconnect = line6_variax_disconnect;
init_timer(&variax->startup_timer1);
init_timer(&variax->startup_timer2);
timer_setup(&variax->startup_timer1, NULL, 0);
timer_setup(&variax->startup_timer2, NULL, 0);
INIT_WORK(&variax->startup_work, variax_startup6);
/* initialize USB buffers: */

7
sound/usb/midi.c
Просмотреть файл

@ -352,9 +352,9 @@ static void snd_usbmidi_out_tasklet(unsigned long data)
}
/* called after transfers had been interrupted due to some USB error */
static void snd_usbmidi_error_timer(unsigned long data)
static void snd_usbmidi_error_timer(struct timer_list *t)
{
struct snd_usb_midi *umidi = (struct snd_usb_midi *)data;
struct snd_usb_midi *umidi = from_timer(umidi, t, error_timer);
unsigned int i, j;
spin_lock(&umidi->disc_lock);
@ -2369,8 +2369,7 @@ int __snd_usbmidi_create(struct snd_card *card,
usb_id = USB_ID(le16_to_cpu(umidi->dev->descriptor.idVendor),
le16_to_cpu(umidi->dev->descriptor.idProduct));
umidi->usb_id = usb_id;
setup_timer(&umidi->error_timer, snd_usbmidi_error_timer,
(unsigned long)umidi);
timer_setup(&umidi->error_timer, snd_usbmidi_error_timer, 0);
/* detect the endpoint(s) to use */
memset(endpoints, 0, sizeof(endpoints));