u32 secid;
};
-static int usbfs_snoop = 0;
-module_param (usbfs_snoop, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC (usbfs_snoop, "true to log all usbfs traffic");
+static int usbfs_snoop;
+module_param(usbfs_snoop, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(usbfs_snoop, "true to log all usbfs traffic");
#define snoop(dev, format, arg...) \
do { \
if (usbfs_snoop) \
- dev_info( dev , format , ## arg); \
+ dev_info(dev , format , ## arg); \
} while (0)
#define USB_DEVICE_DEV MKDEV(USB_DEVICE_MAJOR, 0)
#define MAX_USBFS_BUFFER_SIZE 16384
-static inline int connected (struct dev_state *ps)
+static inline int connected(struct dev_state *ps)
{
return (!list_empty(&ps->list) &&
ps->dev->state != USB_STATE_NOTATTACHED);
return ret;
}
-static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
+static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes,
+ loff_t *ppos)
{
struct dev_state *ps = file->private_data;
struct usb_device *dev = ps->dev;
}
if (pos < sizeof(struct usb_device_descriptor)) {
- struct usb_device_descriptor temp_desc ; /* 18 bytes - fits on the stack */
+ /* 18 bytes - fits on the stack */
+ struct usb_device_descriptor temp_desc;
memcpy(&temp_desc, &dev->descriptor, sizeof(dev->descriptor));
le16_to_cpus(&temp_desc.bcdUSB);
struct async *as;
as = kzalloc(sizeof(struct async), GFP_KERNEL);
- if (!as)
- return NULL;
+ if (!as)
+ return NULL;
as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL);
if (!as->urb) {
kfree(as);
return NULL;
}
- return as;
+ return as;
}
static void free_async(struct async *as)
static inline void async_newpending(struct async *as)
{
- struct dev_state *ps = as->ps;
- unsigned long flags;
-
- spin_lock_irqsave(&ps->lock, flags);
- list_add_tail(&as->asynclist, &ps->async_pending);
- spin_unlock_irqrestore(&ps->lock, flags);
+ struct dev_state *ps = as->ps;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ps->lock, flags);
+ list_add_tail(&as->asynclist, &ps->async_pending);
+ spin_unlock_irqrestore(&ps->lock, flags);
}
static inline void async_removepending(struct async *as)
{
- struct dev_state *ps = as->ps;
- unsigned long flags;
-
- spin_lock_irqsave(&ps->lock, flags);
- list_del_init(&as->asynclist);
- spin_unlock_irqrestore(&ps->lock, flags);
+ struct dev_state *ps = as->ps;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ps->lock, flags);
+ list_del_init(&as->asynclist);
+ spin_unlock_irqrestore(&ps->lock, flags);
}
static inline struct async *async_getcompleted(struct dev_state *ps)
{
- unsigned long flags;
- struct async *as = NULL;
-
- spin_lock_irqsave(&ps->lock, flags);
- if (!list_empty(&ps->async_completed)) {
- as = list_entry(ps->async_completed.next, struct async, asynclist);
- list_del_init(&as->asynclist);
- }
- spin_unlock_irqrestore(&ps->lock, flags);
- return as;
+ unsigned long flags;
+ struct async *as = NULL;
+
+ spin_lock_irqsave(&ps->lock, flags);
+ if (!list_empty(&ps->async_completed)) {
+ as = list_entry(ps->async_completed.next, struct async,
+ asynclist);
+ list_del_init(&as->asynclist);
+ }
+ spin_unlock_irqrestore(&ps->lock, flags);
+ return as;
}
-static inline struct async *async_getpending(struct dev_state *ps, void __user *userurb)
+static inline struct async *async_getpending(struct dev_state *ps,
+ void __user *userurb)
{
- unsigned long flags;
- struct async *as;
+ unsigned long flags;
+ struct async *as;
- spin_lock_irqsave(&ps->lock, flags);
+ spin_lock_irqsave(&ps->lock, flags);
list_for_each_entry(as, &ps->async_pending, asynclist)
if (as->userurb == userurb) {
list_del_init(&as->asynclist);
spin_unlock_irqrestore(&ps->lock, flags);
return as;
}
- spin_unlock_irqrestore(&ps->lock, flags);
- return NULL;
+ spin_unlock_irqrestore(&ps->lock, flags);
+ return NULL;
}
static void snoop_urb(struct urb *urb, void __user *userurb)
dev_info(&urb->dev->dev, "actual_length=%d\n", urb->actual_length);
dev_info(&urb->dev->dev, "data: ");
for (j = 0; j < urb->transfer_buffer_length; ++j)
- printk ("%02x ", data[j]);
+ printk("%02x ", data[j]);
printk("\n");
}
static void async_completed(struct urb *urb)
{
- struct async *as = urb->context;
- struct dev_state *ps = as->ps;
+ struct async *as = urb->context;
+ struct dev_state *ps = as->ps;
struct siginfo sinfo;
- spin_lock(&ps->lock);
- list_move_tail(&as->asynclist, &ps->async_completed);
- spin_unlock(&ps->lock);
+ spin_lock(&ps->lock);
+ list_move_tail(&as->asynclist, &ps->async_completed);
+ spin_unlock(&ps->lock);
as->status = urb->status;
if (as->signr) {
sinfo.si_signo = as->signr;
wake_up(&ps->wait);
}
-static void destroy_async (struct dev_state *ps, struct list_head *list)
+static void destroy_async(struct dev_state *ps, struct list_head *list)
{
struct async *as;
unsigned long flags;
}
}
-static void destroy_async_on_interface (struct dev_state *ps, unsigned int ifnum)
+static void destroy_async_on_interface(struct dev_state *ps,
+ unsigned int ifnum)
{
struct list_head *p, *q, hitlist;
unsigned long flags;
static inline void destroy_all_async(struct dev_state *ps)
{
- destroy_async(ps, &ps->async_pending);
+ destroy_async(ps, &ps->async_pending);
}
/*
* they're also undone when devices disconnect.
*/
-static int driver_probe (struct usb_interface *intf,
- const struct usb_device_id *id)
+static int driver_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
{
return -ENODEV;
}
static void driver_disconnect(struct usb_interface *intf)
{
- struct dev_state *ps = usb_get_intfdata (intf);
+ struct dev_state *ps = usb_get_intfdata(intf);
unsigned int ifnum = intf->altsetting->desc.bInterfaceNumber;
if (!ps)
else
warn("interface number %u out of range", ifnum);
- usb_set_intfdata (intf, NULL);
+ usb_set_intfdata(intf, NULL);
/* force async requests to complete */
destroy_async_on_interface(ps, ifnum);
if (test_bit(ifnum, &ps->ifclaimed))
return 0;
/* if not yet claimed, claim it for the driver */
- dev_warn(&ps->dev->dev, "usbfs: process %d (%s) did not claim interface %u before use\n",
- task_pid_nr(current), current->comm, ifnum);
+ dev_warn(&ps->dev->dev, "usbfs: process %d (%s) did not claim "
+ "interface %u before use\n", task_pid_nr(current),
+ current->comm, ifnum);
return claimintf(ps, ifnum);
}
static int findintfep(struct usb_device *dev, unsigned int ep)
{
unsigned int i, j, e;
- struct usb_interface *intf;
+ struct usb_interface *intf;
struct usb_host_interface *alts;
struct usb_endpoint_descriptor *endpt;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
intf = dev->actconfig->interface[i];
for (j = 0; j < intf->num_altsetting; j++) {
- alts = &intf->altsetting[j];
+ alts = &intf->altsetting[j];
for (e = 0; e < alts->desc.bNumEndpoints; e++) {
endpt = &alts->endpoint[e].desc;
if (endpt->bEndpointAddress == ep)
}
}
}
- return -ENOENT;
+ return -ENOENT;
}
-static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsigned int index)
+static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
+ unsigned int index)
{
int ret = 0;
index &= 0xff;
switch (requesttype & USB_RECIP_MASK) {
case USB_RECIP_ENDPOINT:
- if ((ret = findintfep(ps->dev, index)) >= 0)
+ ret = findintfep(ps->dev, index);
+ if (ret >= 0)
ret = checkintf(ps, ret);
break;
mutex_lock(&usbfs_mutex);
ret = -ENOMEM;
- if (!(ps = kmalloc(sizeof(struct dev_state), GFP_KERNEL)))
+ ps = kmalloc(sizeof(struct dev_state), GFP_KERNEL);
+ if (!ps)
goto out;
ret = -ENOENT;
if (copy_from_user(&ctrl, arg, sizeof(ctrl)))
return -EFAULT;
- if ((ret = check_ctrlrecip(ps, ctrl.bRequestType, ctrl.wIndex)))
+ ret = check_ctrlrecip(ps, ctrl.bRequestType, ctrl.wIndex);
+ if (ret)
return ret;
if (ctrl.wLength > PAGE_SIZE)
return -EINVAL;
- if (!(tbuf = (unsigned char *)__get_free_page(GFP_KERNEL)))
+ tbuf = (unsigned char *)__get_free_page(GFP_KERNEL);
+ if (!tbuf)
return -ENOMEM;
tmo = ctrl.timeout;
if (ctrl.bRequestType & 0x80) {
- if (ctrl.wLength && !access_ok(VERIFY_WRITE, ctrl.data, ctrl.wLength)) {
+ if (ctrl.wLength && !access_ok(VERIFY_WRITE, ctrl.data,
+ ctrl.wLength)) {
free_page((unsigned long)tbuf);
return -EINVAL;
}
ctrl.wIndex, ctrl.wLength);
usb_unlock_device(dev);
- i = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), ctrl.bRequest, ctrl.bRequestType,
- ctrl.wValue, ctrl.wIndex, tbuf, ctrl.wLength, tmo);
+ i = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), ctrl.bRequest,
+ ctrl.bRequestType, ctrl.wValue, ctrl.wIndex,
+ tbuf, ctrl.wLength, tmo);
usb_lock_device(dev);
if ((i > 0) && ctrl.wLength) {
if (usbfs_snoop) {
dev_info(&dev->dev, "control read: data ");
for (j = 0; j < i; ++j)
- printk("%02x ", (unsigned char)(tbuf)[j]);
+ printk("%02x ", (u8)(tbuf)[j]);
printk("\n");
}
if (copy_to_user(ctrl.data, tbuf, i)) {
printk("\n");
}
usb_unlock_device(dev);
- i = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ctrl.bRequest, ctrl.bRequestType,
- ctrl.wValue, ctrl.wIndex, tbuf, ctrl.wLength, tmo);
+ i = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ctrl.bRequest,
+ ctrl.bRequestType, ctrl.wValue, ctrl.wIndex,
+ tbuf, ctrl.wLength, tmo);
usb_lock_device(dev);
}
free_page((unsigned long)tbuf);
- if (i<0 && i != -EPIPE) {
+ if (i < 0 && i != -EPIPE) {
dev_printk(KERN_DEBUG, &dev->dev, "usbfs: USBDEVFS_CONTROL "
"failed cmd %s rqt %u rq %u len %u ret %d\n",
current->comm, ctrl.bRequestType, ctrl.bRequest,
if (copy_from_user(&bulk, arg, sizeof(bulk)))
return -EFAULT;
- if ((ret = findintfep(ps->dev, bulk.ep)) < 0)
+ ret = findintfep(ps->dev, bulk.ep);
+ if (ret < 0)
return ret;
- if ((ret = checkintf(ps, ret)))
+ ret = checkintf(ps, ret);
+ if (ret)
return ret;
if (bulk.ep & USB_DIR_IN)
pipe = usb_rcvbulkpipe(dev, bulk.ep & 0x7f);
if (usbfs_snoop) {
dev_info(&dev->dev, "bulk read: data ");
for (j = 0; j < len2; ++j)
- printk("%02x ", (unsigned char)(tbuf)[j]);
+ printk("%02x ", (u8)(tbuf)[j]);
printk("\n");
}
if (copy_to_user(bulk.data, tbuf, len2)) {
if (get_user(ep, (unsigned int __user *)arg))
return -EFAULT;
- if ((ret = findintfep(ps->dev, ep)) < 0)
+ ret = findintfep(ps->dev, ep);
+ if (ret < 0)
return ret;
- if ((ret = checkintf(ps, ret)))
+ ret = checkintf(ps, ret);
+ if (ret)
return ret;
usb_settoggle(ps->dev, ep & 0xf, !(ep & USB_DIR_IN), 0);
return 0;
if (get_user(ep, (unsigned int __user *)arg))
return -EFAULT;
- if ((ret = findintfep(ps->dev, ep)) < 0)
+ ret = findintfep(ps->dev, ep);
+ if (ret < 0)
return ret;
- if ((ret = checkintf(ps, ret)))
+ ret = checkintf(ps, ret);
+ if (ret)
return ret;
if (ep & USB_DIR_IN)
- pipe = usb_rcvbulkpipe(ps->dev, ep & 0x7f);
- else
- pipe = usb_sndbulkpipe(ps->dev, ep & 0x7f);
+ pipe = usb_rcvbulkpipe(ps->dev, ep & 0x7f);
+ else
+ pipe = usb_sndbulkpipe(ps->dev, ep & 0x7f);
return usb_clear_halt(ps->dev, pipe);
}
-
static int proc_getdriver(struct dev_state *ps, void __user *arg)
{
{
int u;
int status = 0;
- struct usb_host_config *actconfig;
+ struct usb_host_config *actconfig;
if (get_user(u, (int __user *)arg))
return -EFAULT;
- actconfig = ps->dev->actconfig;
-
- /* Don't touch the device if any interfaces are claimed.
- * It could interfere with other drivers' operations, and if
+ actconfig = ps->dev->actconfig;
+
+ /* Don't touch the device if any interfaces are claimed.
+ * It could interfere with other drivers' operations, and if
* an interface is claimed by usbfs it could easily deadlock.
*/
- if (actconfig) {
- int i;
-
- for (i = 0; i < actconfig->desc.bNumInterfaces; ++i) {
- if (usb_interface_claimed(actconfig->interface[i])) {
- dev_warn (&ps->dev->dev,
+ if (actconfig) {
+ int i;
+
+ for (i = 0; i < actconfig->desc.bNumInterfaces; ++i) {
+ if (usb_interface_claimed(actconfig->interface[i])) {
+ dev_warn(&ps->dev->dev,
"usbfs: interface %d claimed by %s "
"while '%s' sets config #%d\n",
actconfig->interface[i]
actconfig->interface[i]
->dev.driver->name,
current->comm, u);
- status = -EBUSY;
+ status = -EBUSY;
break;
}
- }
- }
+ }
+ }
/* SET_CONFIGURATION is often abused as a "cheap" driver reset,
* so avoid usb_set_configuration()'s kick to sysfs
}
static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
- struct usbdevfs_iso_packet_desc __user *iso_frame_desc,
- void __user *arg)
+ struct usbdevfs_iso_packet_desc __user *iso_frame_desc,
+ void __user *arg)
{
struct usbdevfs_iso_packet_desc *isopkt = NULL;
struct usb_host_endpoint *ep;
return -EINVAL;
if (!uurb->buffer)
return -EINVAL;
- if (uurb->signr != 0 && (uurb->signr < SIGRTMIN || uurb->signr > SIGRTMAX))
+ if (uurb->signr != 0 && (uurb->signr < SIGRTMIN ||
+ uurb->signr > SIGRTMAX))
return -EINVAL;
- if (!(uurb->type == USBDEVFS_URB_TYPE_CONTROL && (uurb->endpoint & ~USB_ENDPOINT_DIR_MASK) == 0)) {
- if ((ifnum = findintfep(ps->dev, uurb->endpoint)) < 0)
+ if (!(uurb->type == USBDEVFS_URB_TYPE_CONTROL &&
+ (uurb->endpoint & ~USB_ENDPOINT_DIR_MASK) == 0)) {
+ ifnum = findintfep(ps->dev, uurb->endpoint);
+ if (ifnum < 0)
return ifnum;
- if ((ret = checkintf(ps, ifnum)))
+ ret = checkintf(ps, ifnum);
+ if (ret)
return ret;
}
if ((uurb->endpoint & USB_ENDPOINT_DIR_MASK) != 0) {
case USBDEVFS_URB_TYPE_CONTROL:
if (!usb_endpoint_xfer_control(&ep->desc))
return -EINVAL;
- /* min 8 byte setup packet, max 8 byte setup plus an arbitrary data stage */
- if (uurb->buffer_length < 8 || uurb->buffer_length > (8 + MAX_USBFS_BUFFER_SIZE))
+ /* min 8 byte setup packet,
+ * max 8 byte setup plus an arbitrary data stage */
+ if (uurb->buffer_length < 8 ||
+ uurb->buffer_length > (8 + MAX_USBFS_BUFFER_SIZE))
return -EINVAL;
- if (!(dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL)))
+ dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
+ if (!dr)
return -ENOMEM;
if (copy_from_user(dr, uurb->buffer, 8)) {
kfree(dr);
kfree(dr);
return -EINVAL;
}
- if ((ret = check_ctrlrecip(ps, dr->bRequestType, le16_to_cpup(&dr->wIndex)))) {
+ ret = check_ctrlrecip(ps, dr->bRequestType,
+ le16_to_cpup(&dr->wIndex));
+ if (ret) {
kfree(dr);
return ret;
}
case USBDEVFS_URB_TYPE_ISO:
/* arbitrary limit */
- if (uurb->number_of_packets < 1 || uurb->number_of_packets > 128)
+ if (uurb->number_of_packets < 1 ||
+ uurb->number_of_packets > 128)
return -EINVAL;
if (!usb_endpoint_xfer_isoc(&ep->desc))
return -EINVAL;
- isofrmlen = sizeof(struct usbdevfs_iso_packet_desc) * uurb->number_of_packets;
+ isofrmlen = sizeof(struct usbdevfs_iso_packet_desc) *
+ uurb->number_of_packets;
if (!(isopkt = kmalloc(isofrmlen, GFP_KERNEL)))
return -ENOMEM;
if (copy_from_user(isopkt, iso_frame_desc, isofrmlen)) {
return -EFAULT;
}
for (totlen = u = 0; u < uurb->number_of_packets; u++) {
- /* arbitrary limit, sufficient for USB 2.0 high-bandwidth iso */
+ /* arbitrary limit,
+ * sufficient for USB 2.0 high-bandwidth iso */
if (isopkt[u].length > 8192) {
kfree(isopkt);
return -EINVAL;
default:
return -EINVAL;
}
- if (!(as = alloc_async(uurb->number_of_packets))) {
+ as = alloc_async(uurb->number_of_packets);
+ if (!as) {
kfree(isopkt);
kfree(dr);
return -ENOMEM;
}
- if (!(as->urb->transfer_buffer = kmalloc(uurb->buffer_length, GFP_KERNEL))) {
+ as->urb->transfer_buffer = kmalloc(uurb->buffer_length, GFP_KERNEL);
+ if (!as->urb->transfer_buffer) {
kfree(isopkt);
kfree(dr);
free_async(as);
return -ENOMEM;
}
- as->urb->dev = ps->dev;
- as->urb->pipe = (uurb->type << 30) |
+ as->urb->dev = ps->dev;
+ as->urb->pipe = (uurb->type << 30) |
__create_pipe(ps->dev, uurb->endpoint & 0xf) |
(uurb->endpoint & USB_DIR_IN);
- as->urb->transfer_flags = uurb->flags |
+ as->urb->transfer_flags = uurb->flags |
(is_in ? URB_DIR_IN : URB_DIR_OUT);
as->urb->transfer_buffer_length = uurb->buffer_length;
- as->urb->setup_packet = (unsigned char*)dr;
+ as->urb->setup_packet = (unsigned char *)dr;
as->urb->start_frame = uurb->start_frame;
as->urb->number_of_packets = uurb->number_of_packets;
if (uurb->type == USBDEVFS_URB_TYPE_ISO ||
as->urb->interval = 1 << min(15, ep->desc.bInterval - 1);
else
as->urb->interval = ep->desc.bInterval;
- as->urb->context = as;
- as->urb->complete = async_completed;
+ as->urb->context = as;
+ as->urb->complete = async_completed;
for (totlen = u = 0; u < uurb->number_of_packets; u++) {
as->urb->iso_frame_desc[u].offset = totlen;
as->urb->iso_frame_desc[u].length = isopkt[u].length;
}
kfree(isopkt);
as->ps = ps;
- as->userurb = arg;
+ as->userurb = arg;
if (uurb->endpoint & USB_DIR_IN)
as->userbuffer = uurb->buffer;
else
}
}
snoop_urb(as->urb, as->userurb);
- async_newpending(as);
- if ((ret = usb_submit_urb(as->urb, GFP_KERNEL))) {
- dev_printk(KERN_DEBUG, &ps->dev->dev, "usbfs: usb_submit_urb returned %d\n", ret);
- async_removepending(as);
- free_async(as);
- return ret;
- }
- return 0;
+ async_newpending(as);
+ if ((ret = usb_submit_urb(as->urb, GFP_KERNEL))) {
+ dev_printk(KERN_DEBUG, &ps->dev->dev,
+ "usbfs: usb_submit_urb returned %d\n", ret);
+ async_removepending(as);
+ free_async(as);
+ return ret;
+ }
+ return 0;
}
static int proc_submiturb(struct dev_state *ps, void __user *arg)
if (copy_from_user(&uurb, arg, sizeof(uurb)))
return -EFAULT;
- return proc_do_submiturb(ps, &uurb, (((struct usbdevfs_urb __user *)arg)->iso_frame_desc), arg);
+ return proc_do_submiturb(ps, &uurb,
+ (((struct usbdevfs_urb __user *)arg)->iso_frame_desc),
+ arg);
}
static int proc_unlinkurb(struct dev_state *ps, void __user *arg)
unsigned int i;
if (as->userbuffer)
- if (copy_to_user(as->userbuffer, urb->transfer_buffer, urb->transfer_buffer_length))
+ if (copy_to_user(as->userbuffer, urb->transfer_buffer,
+ urb->transfer_buffer_length))
return -EFAULT;
if (put_user(as->status, &userurb->status))
return -EFAULT;
return 0;
}
-static struct async* reap_as(struct dev_state *ps)
+static struct async *reap_as(struct dev_state *ps)
{
- DECLARE_WAITQUEUE(wait, current);
+ DECLARE_WAITQUEUE(wait, current);
struct async *as = NULL;
struct usb_device *dev = ps->dev;
add_wait_queue(&ps->wait, &wait);
for (;;) {
__set_current_state(TASK_INTERRUPTIBLE);
- if ((as = async_getcompleted(ps)))
+ as = async_getcompleted(ps);
+ if (as)
break;
if (signal_pending(current))
break;
{
struct usbdevfs_urb uurb;
- if (get_urb32(&uurb,(struct usbdevfs_urb32 __user *)arg))
+ if (get_urb32(&uurb, (struct usbdevfs_urb32 __user *)arg))
return -EFAULT;
- return proc_do_submiturb(ps, &uurb, ((struct usbdevfs_urb32 __user *)arg)->iso_frame_desc, arg);
+ return proc_do_submiturb(ps, &uurb,
+ ((struct usbdevfs_urb32 __user *)arg)->iso_frame_desc,
+ arg);
}
static int processcompl_compat(struct async *as, void __user * __user *arg)
unsigned int i;
if (as->userbuffer)
- if (copy_to_user(as->userbuffer, urb->transfer_buffer, urb->transfer_buffer_length))
+ if (copy_to_user(as->userbuffer, urb->transfer_buffer,
+ urb->transfer_buffer_length))
return -EFAULT;
if (put_user(as->status, &userurb->status))
return -EFAULT;
struct usb_driver *driver = NULL;
/* alloc buffer */
- if ((size = _IOC_SIZE (ctl->ioctl_code)) > 0) {
- if ((buf = kmalloc (size, GFP_KERNEL)) == NULL)
+ if ((size = _IOC_SIZE(ctl->ioctl_code)) > 0) {
+ if ((buf = kmalloc(size, GFP_KERNEL)) == NULL)
return -ENOMEM;
if ((_IOC_DIR(ctl->ioctl_code) & _IOC_WRITE)) {
- if (copy_from_user (buf, ctl->data, size)) {
+ if (copy_from_user(buf, ctl->data, size)) {
kfree(buf);
return -EFAULT;
}
} else {
- memset (buf, 0, size);
+ memset(buf, 0, size);
}
}
if (ps->dev->state != USB_STATE_CONFIGURED)
retval = -EHOSTUNREACH;
- else if (!(intf = usb_ifnum_to_if (ps->dev, ctl->ifno)))
- retval = -EINVAL;
+ else if (!(intf = usb_ifnum_to_if(ps->dev, ctl->ifno)))
+ retval = -EINVAL;
else switch (ctl->ioctl_code) {
/* disconnect kernel driver from interface */
case USBDEVFS_DISCONNECT:
if (intf->dev.driver) {
driver = to_usb_driver(intf->dev.driver);
- dev_dbg (&intf->dev, "disconnect by usbfs\n");
+ dev_dbg(&intf->dev, "disconnect by usbfs\n");
usb_driver_release_interface(driver, intf);
} else
retval = -ENODATA;
if (driver == NULL || driver->ioctl == NULL) {
retval = -ENOTTY;
} else {
- retval = driver->ioctl (intf, ctl->ioctl_code, buf);
+ retval = driver->ioctl(intf, ctl->ioctl_code, buf);
if (retval == -ENOIOCTLCMD)
retval = -ENOTTY;
}
/* cleanup and return */
if (retval >= 0
- && (_IOC_DIR (ctl->ioctl_code) & _IOC_READ) != 0
+ && (_IOC_DIR(ctl->ioctl_code) & _IOC_READ) != 0
&& size > 0
- && copy_to_user (ctl->data, buf, size) != 0)
+ && copy_to_user(ctl->data, buf, size) != 0)
retval = -EFAULT;
kfree(buf);
{
struct usbdevfs_ioctl ctrl;
- if (copy_from_user(&ctrl, arg, sizeof (ctrl)))
+ if (copy_from_user(&ctrl, arg, sizeof(ctrl)))
return -EFAULT;
return proc_ioctl(ps, &ctrl);
}
* are assuming that somehow the configuration has been prevented from
* changing. But there's no mechanism to ensure that...
*/
-static int usbdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int usbdev_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
struct dev_state *ps = file->private_data;
struct usb_device *dev = ps->dev;
}
/* No kernel lock - fine */
-static unsigned int usbdev_poll(struct file *file, struct poll_table_struct *wait)
+static unsigned int usbdev_poll(struct file *file,
+ struct poll_table_struct *wait)
{
struct dev_state *ps = file->private_data;
unsigned int mask = 0;
int retval;
retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX,
- "usb_device");
+ "usb_device");
if (retval) {
err("unable to register minors for usb_device");
goto out;
projects / kernel / kernel-generic.git / commitdiff