[PATCH] drivers/usb/core: hcd.c: Removed all space warnings from checkpatch.pl

From: Chase Metzger
Date: Sat Apr 11 2015 - 06:04:51 EST

Removed all(except false positives, from calculations) space prohibited warnings generated by
checkpatch.pl.

Signed-off-by: Chase Metzger <chasemetzger15@xxxxxxxxx>
---
drivers/usb/core/hcd.c | 168 ++++++++++++++++++++++++-------------------------
1 file changed, 84 insertions(+), 84 deletions(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 45a915c..557f2b8 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -90,8 +90,8 @@ unsigned long usb_hcds_loaded;
EXPORT_SYMBOL_GPL(usb_hcds_loaded);

/* host controllers we manage */
-LIST_HEAD (usb_bus_list);
-EXPORT_SYMBOL_GPL (usb_bus_list);
+LIST_HEAD(usb_bus_list);
+EXPORT_SYMBOL_GPL(usb_bus_list);

/* used when allocating bus numbers */
#define USB_MAXBUS 64
@@ -99,7 +99,7 @@ static DECLARE_BITMAP(busmap, USB_MAXBUS);

/* used when updating list of hcds */
DEFINE_MUTEX(usb_bus_list_lock); /* exported only for usbfs */
-EXPORT_SYMBOL_GPL (usb_bus_list_lock);
+EXPORT_SYMBOL_GPL(usb_bus_list_lock);

/* used for controlling access to virtual root hubs */
static DEFINE_SPINLOCK(hcd_root_hub_lock);
@@ -447,7 +447,7 @@ rh_string(int id, struct usb_hcd const *hcd, u8 *data, unsigned len)
break;
case 3:
/* Manufacturer */
- snprintf (buf, sizeof buf, "%s %s %s", init_utsname()->sysname,
+ snprintf(buf, sizeof buf, "%s %s %s", init_utsname()->sysname,
init_utsname()->release, hcd->driver->description);
s = buf;
break;
@@ -461,7 +461,7 @@ rh_string(int id, struct usb_hcd const *hcd, u8 *data, unsigned len)


/* Root hub control transfers execute synchronously */
-static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
+static int rh_call_control(struct usb_hcd *hcd, struct urb *urb)
{
struct usb_ctrlrequest *cmd;
u16 typeReq, wValue, wIndex, wLength;
@@ -485,9 +485,9 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)

cmd = (struct usb_ctrlrequest *) urb->setup_packet;
typeReq = (cmd->bRequestType << 8) | cmd->bRequest;
- wValue = le16_to_cpu (cmd->wValue);
- wIndex = le16_to_cpu (cmd->wIndex);
- wLength = le16_to_cpu (cmd->wLength);
+ wValue = le16_to_cpu(cmd->wValue);
+ wIndex = le16_to_cpu(cmd->wIndex);
+ wLength = le16_to_cpu(cmd->wLength);

if (wLength > urb->transfer_buffer_length)
goto error;
@@ -616,7 +616,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
break;
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
/* wValue == urb->dev->devaddr */
- dev_dbg (hcd->self.controller, "root hub device address %d\n",
+ dev_dbg(hcd->self.controller, "root hub device address %d\n",
wValue);
break;

@@ -632,7 +632,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
/* FALLTHROUGH */
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
case EndpointOutRequest | USB_REQ_SET_FEATURE:
- dev_dbg (hcd->self.controller, "no endpoint features yet\n");
+ dev_dbg(hcd->self.controller, "no endpoint features yet\n");
break;

/* CLASS REQUESTS (and errors) */
@@ -646,13 +646,13 @@ nongeneric:
len = 4;
break;
case GetHubDescriptor:
- len = sizeof (struct usb_hub_descriptor);
+ len = sizeof(struct usb_hub_descriptor);
break;
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
/* len is returned by hub_control */
break;
}
- status = hcd->driver->hub_control (hcd,
+ status = hcd->driver->hub_control(hcd,
typeReq, wValue, wIndex,
tbuf, wLength);

@@ -668,7 +668,7 @@ error:
if (status < 0) {
len = 0;
if (status != -EPIPE) {
- dev_dbg (hcd->self.controller,
+ dev_dbg(hcd->self.controller,
"CTRL: TypeReq=0x%x val=0x%x "
"idx=0x%x len=%d ==> %d\n",
typeReq, wValue, wIndex,
@@ -684,11 +684,11 @@ error:
len = urb->transfer_buffer_length;
urb->actual_length = len;
/* always USB_DIR_IN, toward host */
- memcpy (ubuf, bufp, len);
+ memcpy(ubuf, bufp, len);

/* report whether RH hardware supports remote wakeup */
if (patch_wakeup &&
- len > offsetof (struct usb_config_descriptor,
+ len > offsetof(struct usb_config_descriptor,
bmAttributes))
((struct usb_config_descriptor *)ubuf)->bmAttributes
|= USB_CONFIG_ATT_WAKEUP;
@@ -760,27 +760,27 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
* fire at the same time to give the CPU a break in between */
if (hcd->uses_new_polling ? HCD_POLL_RH(hcd) :
(length == 0 && hcd->status_urb != NULL))
- mod_timer (&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4));
+ mod_timer(&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4));
}
EXPORT_SYMBOL_GPL(usb_hcd_poll_rh_status);

/* timer callback */
-static void rh_timer_func (unsigned long _hcd)
+static void rh_timer_func(unsigned long _hcd)
{
usb_hcd_poll_rh_status((struct usb_hcd *) _hcd);
}

/*-------------------------------------------------------------------------*/

-static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb)
+static int rh_queue_status(struct usb_hcd *hcd, struct urb *urb)
{
int retval;
unsigned long flags;
unsigned len = 1 + (urb->dev->maxchild / 8);

- spin_lock_irqsave (&hcd_root_hub_lock, flags);
+ spin_lock_irqsave(&hcd_root_hub_lock, flags);
if (hcd->status_urb || urb->transfer_buffer_length < len) {
- dev_dbg (hcd->self.controller, "not queuing rh status urb\n");
+ dev_dbg(hcd->self.controller, "not queuing rh status urb\n");
retval = -EINVAL;
goto done;
}
@@ -799,16 +799,16 @@ static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb)
mod_timer(&hcd->rh_timer, jiffies);
retval = 0;
done:
- spin_unlock_irqrestore (&hcd_root_hub_lock, flags);
+ spin_unlock_irqrestore(&hcd_root_hub_lock, flags);
return retval;
}

-static int rh_urb_enqueue (struct usb_hcd *hcd, struct urb *urb)
+static int rh_urb_enqueue(struct usb_hcd *hcd, struct urb *urb)
{
if (usb_endpoint_xfer_int(&urb->ep->desc))
- return rh_queue_status (hcd, urb);
+ return rh_queue_status(hcd, urb);
if (usb_endpoint_xfer_control(&urb->ep->desc))
- return rh_call_control (hcd, urb);
+ return rh_call_control(hcd, urb);
return -EINVAL;
}

@@ -832,7 +832,7 @@ static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)

} else { /* Status URB */
if (!hcd->uses_new_polling)
- del_timer (&hcd->rh_timer);
+ del_timer(&hcd->rh_timer);
if (urb == hcd->status_urb) {
hcd->status_urb = NULL;
usb_hcd_unlink_urb_from_ep(hcd, urb);
@@ -904,9 +904,9 @@ static struct attribute_group usb_bus_attr_group = {
* This code is used to initialize a usb_bus structure, memory for which is
* separately managed.
*/
-static void usb_bus_init (struct usb_bus *bus)
+static void usb_bus_init(struct usb_bus *bus)
{
- memset (&bus->devmap, 0, sizeof(struct usb_devmap));
+ memset(&bus->devmap, 0, sizeof(struct usb_devmap));

bus->devnum_next = 1;

@@ -917,7 +917,7 @@ static void usb_bus_init (struct usb_bus *bus)
bus->bandwidth_isoc_reqs = 0;
mutex_init(&bus->usb_address0_mutex);

- INIT_LIST_HEAD (&bus->bus_list);
+ INIT_LIST_HEAD(&bus->bus_list);
}

/*-------------------------------------------------------------------------*/
@@ -940,19 +940,19 @@ static int usb_register_bus(struct usb_bus *bus)
mutex_lock(&usb_bus_list_lock);
busnum = find_next_zero_bit(busmap, USB_MAXBUS, 1);
if (busnum >= USB_MAXBUS) {
- printk (KERN_ERR "%s: too many buses\n", usbcore_name);
+ printk(KERN_ERR "%s: too many buses\n", usbcore_name);
goto error_find_busnum;
}
set_bit(busnum, busmap);
bus->busnum = busnum;

/* Add it to the local list of buses */
- list_add (&bus->bus_list, &usb_bus_list);
+ list_add(&bus->bus_list, &usb_bus_list);
mutex_unlock(&usb_bus_list_lock);

usb_notify_add_bus(bus);

- dev_info (bus->controller, "new USB bus registered, assigned bus "
+ dev_info(bus->controller, "new USB bus registered, assigned bus "
"number %d\n", bus->busnum);
return 0;

@@ -969,9 +969,9 @@ error_find_busnum:
* Recycles the bus number, and unlinks the controller from usbcore data
* structures so that it won't be seen by scanning the bus list.
*/
-static void usb_deregister_bus (struct usb_bus *bus)
+static void usb_deregister_bus(struct usb_bus *bus)
{
- dev_info (bus->controller, "USB bus %d deregistered\n", bus->busnum);
+ dev_info(bus->controller, "USB bus %d deregistered\n", bus->busnum);

/*
* NOTE: make sure that all the devices are removed by the
@@ -979,7 +979,7 @@ static void usb_deregister_bus (struct usb_bus *bus)
* itself up
*/
mutex_lock(&usb_bus_list_lock);
- list_del (&bus->bus_list);
+ list_del(&bus->bus_list);
mutex_unlock(&usb_bus_list_lock);

usb_notify_remove_bus(bus);
@@ -1007,9 +1007,9 @@ static int register_root_hub(struct usb_hcd *hcd)

usb_dev->devnum = devnum;
usb_dev->bus->devnum_next = devnum + 1;
- memset (&usb_dev->bus->devmap.devicemap, 0,
+ memset(&usb_dev->bus->devmap.devicemap, 0,
sizeof usb_dev->bus->devmap.devicemap);
- set_bit (devnum, usb_dev->bus->devmap.devicemap);
+ set_bit(devnum, usb_dev->bus->devmap.devicemap);
usb_set_device_state(usb_dev, USB_STATE_ADDRESS);

mutex_lock(&usb_bus_list_lock);
@@ -1018,7 +1018,7 @@ static int register_root_hub(struct usb_hcd *hcd)
retval = usb_get_device_descriptor(usb_dev, USB_DT_DEVICE_SIZE);
if (retval != sizeof usb_dev->descriptor) {
mutex_unlock(&usb_bus_list_lock);
- dev_dbg (parent_dev, "can't read %s device descriptor %d\n",
+ dev_dbg(parent_dev, "can't read %s device descriptor %d\n",
dev_name(&usb_dev->dev), retval);
return (retval < 0) ? retval : -EMSGSIZE;
}
@@ -1032,18 +1032,18 @@ static int register_root_hub(struct usb_hcd *hcd)
}
}

- retval = usb_new_device (usb_dev);
+ retval = usb_new_device(usb_dev);
if (retval) {
- dev_err (parent_dev, "can't register root hub for %s, %d\n",
+ dev_err(parent_dev, "can't register root hub for %s, %d\n",
dev_name(&usb_dev->dev), retval);
} else {
- spin_lock_irq (&hcd_root_hub_lock);
+ spin_lock_irq(&hcd_root_hub_lock);
hcd->rh_registered = 1;
- spin_unlock_irq (&hcd_root_hub_lock);
+ spin_unlock_irq(&hcd_root_hub_lock);

/* Did the HC die before the root hub was registered? */
if (HCD_DEAD(hcd))
- usb_hc_died (hcd); /* This time clean up */
+ usb_hc_died(hcd); /* This time clean up */
}
mutex_unlock(&usb_bus_list_lock);

@@ -1109,7 +1109,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_end_port_resume);
* See USB 2.0 spec section 5.11.3; only periodic transfers need to be
* scheduled in software, this function is only used for such scheduling.
*/
-long usb_calc_bus_time (int speed, int is_input, int isoc, int bytecount)
+long usb_calc_bus_time(int speed, int is_input, int isoc, int bytecount)
{
unsigned long tmp;

@@ -1133,12 +1133,12 @@ long usb_calc_bus_time (int speed, int is_input, int isoc, int bytecount)
case USB_SPEED_HIGH: /* ISOC or INTR */
/* FIXME adjust for input vs output */
if (isoc)
- tmp = HS_NSECS_ISO (bytecount);
+ tmp = HS_NSECS_ISO(bytecount);
else
- tmp = HS_NSECS (bytecount);
+ tmp = HS_NSECS(bytecount);
return tmp;
default:
- pr_debug ("%s: bogus device speed!\n", usbcore_name);
+ pr_debug("%s: bogus device speed!\n", usbcore_name);
return -1;
}
}
@@ -1540,7 +1540,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_map_urb_for_dma);
* expects usb_submit_urb() to have sanity checked and conditioned all
* inputs in the urb
*/
-int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
+int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags)
{
int status;
struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus);
@@ -1615,7 +1615,7 @@ static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status)
* caller guarantees urb won't be recycled till both unlink()
* and the urb's completion function return
*/
-int usb_hcd_unlink_urb (struct urb *urb, int status)
+int usb_hcd_unlink_urb(struct urb *urb, int status)
{
struct usb_hcd *hcd;
struct usb_device *udev = urb->dev;
@@ -1794,18 +1794,18 @@ void usb_hcd_flush_endpoint(struct usb_device *udev,
/* No more submits can occur */
spin_lock_irq(&hcd_urb_list_lock);
rescan:
- list_for_each_entry (urb, &ep->urb_list, urb_list) {
+ list_for_each_entry(urb, &ep->urb_list, urb_list) {
int is_in;

if (urb->unlinked)
continue;
- usb_get_urb (urb);
+ usb_get_urb(urb);
is_in = usb_urb_dir_in(urb);
spin_unlock(&hcd_urb_list_lock);

/* kick hcd */
unlink1(hcd, urb, -ESHUTDOWN);
- dev_dbg (hcd->self.controller,
+ dev_dbg(hcd->self.controller,
"shutdown urb %p ep%d%s%s\n",
urb, usb_endpoint_num(&ep->desc),
is_in ? "in" : "out",
@@ -1823,7 +1823,7 @@ rescan:
};
s;
}));
- usb_put_urb (urb);
+ usb_put_urb(urb);

/* list contents may have changed */
spin_lock(&hcd_urb_list_lock);
@@ -1832,21 +1832,21 @@ rescan:
spin_unlock_irq(&hcd_urb_list_lock);

/* Wait until the endpoint queue is completely empty */
- while (!list_empty (&ep->urb_list)) {
+ while (!list_empty(&ep->urb_list)) {
spin_lock_irq(&hcd_urb_list_lock);

/* The list may have changed while we acquired the spinlock */
urb = NULL;
- if (!list_empty (&ep->urb_list)) {
- urb = list_entry (ep->urb_list.prev, struct urb,
+ if (!list_empty(&ep->urb_list)) {
+ urb = list_entry(ep->urb_list.prev, struct urb,
urb_list);
- usb_get_urb (urb);
+ usb_get_urb(urb);
}
spin_unlock_irq(&hcd_urb_list_lock);

if (urb) {
- usb_kill_urb (urb);
- usb_put_urb (urb);
+ usb_kill_urb(urb);
+ usb_put_urb(urb);
}
}
}
@@ -2139,13 +2139,13 @@ void usb_hcd_synchronize_unlinks(struct usb_device *udev)
/*-------------------------------------------------------------------------*/

/* called in any context */
-int usb_hcd_get_frame_number (struct usb_device *udev)
+int usb_hcd_get_frame_number(struct usb_device *udev)
{
struct usb_hcd *hcd = bus_to_hcd(udev->bus);

if (!HCD_RH_RUNNING(hcd))
return -ESHUTDOWN;
- return hcd->driver->get_frame_number (hcd);
+ return hcd->driver->get_frame_number(hcd);
}

/*-------------------------------------------------------------------------*/
@@ -2276,16 +2276,16 @@ static void hcd_resume_work(struct work_struct *work)
* wakeup request is received. The routine submits a workqueue request
* to resume the root hub (that is, manage its downstream ports again).
*/
-void usb_hcd_resume_root_hub (struct usb_hcd *hcd)
+void usb_hcd_resume_root_hub(struct usb_hcd *hcd)
{
unsigned long flags;

- spin_lock_irqsave (&hcd_root_hub_lock, flags);
+ spin_lock_irqsave(&hcd_root_hub_lock, flags);
if (hcd->rh_registered) {
set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags);
queue_work(pm_wq, &hcd->wakeup_work);
}
- spin_unlock_irqrestore (&hcd_root_hub_lock, flags);
+ spin_unlock_irqrestore(&hcd_root_hub_lock, flags);
}
EXPORT_SYMBOL_GPL(usb_hcd_resume_root_hub);

@@ -2317,7 +2317,7 @@ int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num)
* boards with root hubs hooked up to internal devices (instead of
* just the OTG port) may need more attention to resetting...
*/
- hcd = container_of (bus, struct usb_hcd, self);
+ hcd = container_of(bus, struct usb_hcd, self);
if (port_num && hcd->driver->start_port_reset)
status = hcd->driver->start_port_reset(hcd, port_num);

@@ -2344,7 +2344,7 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum);
*
* Return: %IRQ_HANDLED if the IRQ was handled. %IRQ_NONE otherwise.
*/
-irqreturn_t usb_hcd_irq (int irq, void *__hcd)
+irqreturn_t usb_hcd_irq(int irq, void *__hcd)
{
struct usb_hcd *hcd = __hcd;
irqreturn_t rc;
@@ -2372,20 +2372,20 @@ EXPORT_SYMBOL_GPL(usb_hcd_irq);
*
* Only call this function with the primary HCD.
*/
-void usb_hc_died (struct usb_hcd *hcd)
+void usb_hc_died(struct usb_hcd *hcd)
{
unsigned long flags;

- dev_err (hcd->self.controller, "HC died; cleaning up\n");
+ dev_err(hcd->self.controller, "HC died; cleaning up\n");

- spin_lock_irqsave (&hcd_root_hub_lock, flags);
+ spin_lock_irqsave(&hcd_root_hub_lock, flags);
clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
set_bit(HCD_FLAG_DEAD, &hcd->flags);
if (hcd->rh_registered) {
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);

/* make hub_wq clean up old urbs and devices */
- usb_set_device_state (hcd->self.root_hub,
+ usb_set_device_state(hcd->self.root_hub,
USB_STATE_NOTATTACHED);
usb_kick_hub_wq(hcd->self.root_hub);
}
@@ -2400,10 +2400,10 @@ void usb_hc_died (struct usb_hcd *hcd)
usb_kick_hub_wq(hcd->self.root_hub);
}
}
- spin_unlock_irqrestore (&hcd_root_hub_lock, flags);
+ spin_unlock_irqrestore(&hcd_root_hub_lock, flags);
/* Make sure that the other roothub is also deallocated. */
}
-EXPORT_SYMBOL_GPL (usb_hc_died);
+EXPORT_SYMBOL_GPL(usb_hc_died);

/*-------------------------------------------------------------------------*/

@@ -2439,7 +2439,7 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver,

hcd = kzalloc(sizeof(*hcd) + driver->hcd_priv_size, GFP_KERNEL);
if (!hcd) {
- dev_dbg (dev, "hcd alloc failed\n");
+ dev_dbg(dev, "hcd alloc failed\n");
return NULL;
}
if (primary_hcd == NULL) {
@@ -2517,7 +2517,7 @@ EXPORT_SYMBOL_GPL(usb_create_hcd);
*/
static void hcd_release(struct kref *kref)
{
- struct usb_hcd *hcd = container_of (kref, struct usb_hcd, kref);
+ struct usb_hcd *hcd = container_of(kref, struct usb_hcd, kref);

mutex_lock(&usb_port_peer_mutex);
if (usb_hcd_is_primary_hcd(hcd))
@@ -2533,18 +2533,18 @@ static void hcd_release(struct kref *kref)
kfree(hcd);
}

-struct usb_hcd *usb_get_hcd (struct usb_hcd *hcd)
+struct usb_hcd *usb_get_hcd(struct usb_hcd *hcd)
{
if (hcd)
- kref_get (&hcd->kref);
+ kref_get(&hcd->kref);
return hcd;
}
EXPORT_SYMBOL_GPL(usb_get_hcd);

-void usb_put_hcd (struct usb_hcd *hcd)
+void usb_put_hcd(struct usb_hcd *hcd)
{
if (hcd)
- kref_put (&hcd->kref, hcd_release);
+ kref_put(&hcd->kref, hcd_release);
}
EXPORT_SYMBOL_GPL(usb_put_hcd);

@@ -2847,13 +2847,13 @@ void usb_remove_hcd(struct usb_hcd *hcd)
sysfs_remove_group(&rhdev->dev.kobj, &usb_bus_attr_group);

clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
- if (HC_IS_RUNNING (hcd->state))
+ if (HC_IS_RUNNING(hcd->state))
hcd->state = HC_STATE_QUIESCING;

dev_dbg(hcd->self.controller, "roothub graceful disconnect\n");
- spin_lock_irq (&hcd_root_hub_lock);
+ spin_lock_irq(&hcd_root_hub_lock);
hcd->rh_registered = 0;
- spin_unlock_irq (&hcd_root_hub_lock);
+ spin_unlock_irq(&hcd_root_hub_lock);

#ifdef CONFIG_PM
cancel_work_sync(&hcd->wakeup_work);
@@ -2937,7 +2937,7 @@ struct usb_mon_operations *mon_ops;
* symbols from usbcore, usbcore gets referenced and cannot be unloaded first.
*/

-int usb_mon_register (struct usb_mon_operations *ops)
+int usb_mon_register(struct usb_mon_operations *ops)
{

if (mon_ops)
@@ -2947,9 +2947,9 @@ int usb_mon_register (struct usb_mon_operations *ops)
mb();
return 0;
}
-EXPORT_SYMBOL_GPL (usb_mon_register);
+EXPORT_SYMBOL_GPL(usb_mon_register);

-void usb_mon_deregister (void)
+void usb_mon_deregister(void)
{

if (mon_ops == NULL) {
@@ -2959,6 +2959,6 @@ void usb_mon_deregister (void)
mon_ops = NULL;
mb();
}
-EXPORT_SYMBOL_GPL (usb_mon_deregister);
+EXPORT_SYMBOL_GPL(usb_mon_deregister);

#endif /* CONFIG_USB_MON || CONFIG_USB_MON_MODULE */
--
1.9.1

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