forked from luck/tmp_suning_uos_patched
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: ftdio_sio: New IPlus device ID USB: add new device id to option driver USB: fix race leading to use after free in io_edgeport USB: usblcd doesn't limit memory consumption during write USB: memory leak in iowarrior.c USB: ti serial driver sleeps with spinlock held USB: g_file_storage: call allow_signal()
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commit
9a08e73253
@ -686,7 +686,6 @@ struct fsg_dev {
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int thread_wakeup_needed;
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struct completion thread_notifier;
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struct task_struct *thread_task;
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sigset_t thread_signal_mask;
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int cmnd_size;
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u8 cmnd[MAX_COMMAND_SIZE];
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@ -3277,8 +3276,7 @@ static void handle_exception(struct fsg_dev *fsg)
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/* Clear the existing signals. Anything but SIGUSR1 is converted
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* into a high-priority EXIT exception. */
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for (;;) {
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sig = dequeue_signal_lock(current, &fsg->thread_signal_mask,
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&info);
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sig = dequeue_signal_lock(current, ¤t->blocked, &info);
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if (!sig)
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break;
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if (sig != SIGUSR1) {
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@ -3431,10 +3429,10 @@ static int fsg_main_thread(void *fsg_)
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/* Allow the thread to be killed by a signal, but set the signal mask
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* to block everything but INT, TERM, KILL, and USR1. */
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siginitsetinv(&fsg->thread_signal_mask, sigmask(SIGINT) |
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sigmask(SIGTERM) | sigmask(SIGKILL) |
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sigmask(SIGUSR1));
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sigprocmask(SIG_SETMASK, &fsg->thread_signal_mask, NULL);
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allow_signal(SIGINT);
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allow_signal(SIGTERM);
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allow_signal(SIGKILL);
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allow_signal(SIGUSR1);
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/* Arrange for userspace references to be interpreted as kernel
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* pointers. That way we can pass a kernel pointer to a routine
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@ -495,8 +495,8 @@ static int iowarrior_ioctl(struct inode *inode, struct file *file,
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/* verify that the device wasn't unplugged */
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if (!dev->present) {
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mutex_unlock(&dev->mutex);
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return -ENODEV;
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retval = -ENODEV;
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goto error_out;
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}
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dbg("%s - minor %d, cmd 0x%.4x, arg %ld", __func__, dev->minor, cmd,
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@ -579,9 +579,10 @@ static int iowarrior_ioctl(struct inode *inode, struct file *file,
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retval = -ENOTTY;
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break;
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}
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error_out:
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/* unlock the device */
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mutex_unlock(&dev->mutex);
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kfree(buffer);
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return retval;
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}
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@ -43,9 +43,13 @@ struct usb_lcd {
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__u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */
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__u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */
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struct kref kref;
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struct semaphore limit_sem; /* to stop writes at full throttle from
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* using up all RAM */
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};
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#define to_lcd_dev(d) container_of(d, struct usb_lcd, kref)
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#define USB_LCD_CONCURRENT_WRITES 5
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static struct usb_driver lcd_driver;
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static DEFINE_MUTEX(usb_lcd_open_mutex);
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@ -186,12 +190,13 @@ static void lcd_write_bulk_callback(struct urb *urb)
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/* free up our allocated buffer */
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usb_buffer_free(urb->dev, urb->transfer_buffer_length,
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urb->transfer_buffer, urb->transfer_dma);
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up(&dev->limit_sem);
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}
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static ssize_t lcd_write(struct file *file, const char __user * user_buffer, size_t count, loff_t *ppos)
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{
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struct usb_lcd *dev;
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int retval = 0;
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int retval = 0, r;
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struct urb *urb = NULL;
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char *buf = NULL;
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@ -201,10 +206,16 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, siz
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if (count == 0)
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goto exit;
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r = down_interruptible(&dev->limit_sem);
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if (r < 0)
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return -EINTR;
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/* create a urb, and a buffer for it, and copy the data to the urb */
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urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!urb)
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return -ENOMEM;
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if (!urb) {
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retval = -ENOMEM;
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goto err_no_buf;
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}
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buf = usb_buffer_alloc(dev->udev, count, GFP_KERNEL, &urb->transfer_dma);
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if (!buf) {
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@ -239,6 +250,8 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, siz
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error:
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usb_buffer_free(dev->udev, count, buf, urb->transfer_dma);
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usb_free_urb(urb);
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err_no_buf:
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up(&dev->limit_sem);
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return retval;
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}
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@ -277,6 +290,7 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
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goto error;
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}
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kref_init(&dev->kref);
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sema_init(&dev->limit_sem, USB_LCD_CONCURRENT_WRITES);
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dev->udev = usb_get_dev(interface_to_usbdev(interface));
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dev->interface = interface;
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@ -317,6 +317,7 @@ static struct usb_device_id id_table_combined [] = {
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{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
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{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
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{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
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{ USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
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{ USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
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{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
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{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
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@ -56,6 +56,7 @@
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/* iPlus device */
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#define FTDI_IPLUS_PID 0xD070 /* Product Id */
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#define FTDI_IPLUS2_PID 0xD071 /* Product Id */
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/* DMX4ALL DMX Interfaces */
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#define FTDI_DMX4ALL 0xC850
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@ -3046,11 +3046,11 @@ static void edge_shutdown (struct usb_serial *serial)
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}
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/* free up our endpoint stuff */
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if (edge_serial->is_epic) {
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usb_unlink_urb(edge_serial->interrupt_read_urb);
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usb_kill_urb(edge_serial->interrupt_read_urb);
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usb_free_urb(edge_serial->interrupt_read_urb);
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kfree(edge_serial->interrupt_in_buffer);
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usb_unlink_urb(edge_serial->read_urb);
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usb_kill_urb(edge_serial->read_urb);
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usb_free_urb(edge_serial->read_urb);
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kfree(edge_serial->bulk_in_buffer);
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}
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@ -111,7 +111,8 @@ static int option_send_setup(struct usb_serial_port *port);
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#define NOVATELWIRELESS_VENDOR_ID 0x1410
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#define ANYDATA_VENDOR_ID 0x16d5
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#define ANYDATA_PRODUCT_ID 0x6501
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#define ANYDATA_PRODUCT_ADU_E100A 0x6501
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#define ANYDATA_PRODUCT_ADU_500A 0x6502
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#define BANDRICH_VENDOR_ID 0x1A8D
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#define BANDRICH_PRODUCT_C100_1 0x1002
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@ -169,7 +170,8 @@ static struct usb_device_id option_ids[] = {
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{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */
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{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */
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{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */
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{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ID) },
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{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
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{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
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{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
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{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
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{ USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard */
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@ -1555,15 +1555,17 @@ static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty)
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spin_lock_irqsave(&tport->tp_lock, flags);
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if (tport->tp_read_urb_state == TI_READ_URB_STOPPED) {
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tport->tp_read_urb_state = TI_READ_URB_RUNNING;
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urb = tport->tp_port->read_urb;
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spin_unlock_irqrestore(&tport->tp_lock, flags);
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urb->complete = ti_bulk_in_callback;
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urb->context = tport;
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urb->dev = tport->tp_port->serial->dev;
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status = usb_submit_urb(urb, GFP_KERNEL);
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}
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} else {
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tport->tp_read_urb_state = TI_READ_URB_RUNNING;
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spin_unlock_irqrestore(&tport->tp_lock, flags);
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}
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return status;
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}
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