diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c70a8f667d8..dcc87aaa862 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -660,6 +660,14 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) }, + { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) }, + { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID) }, + { USB_DEVICE(ATMEL_VID, STK541_PID) }, + { USB_DEVICE(DE_VID, STB_PID) }, + { USB_DEVICE(DE_VID, WHT_PID) }, + { USB_DEVICE(ADI_VID, ADI_GNICE_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -1062,8 +1070,10 @@ static int set_serial_info(struct tty_struct *tty, if (!capable(CAP_SYS_ADMIN)) { if (((new_serial.flags & ~ASYNC_USR_MASK) != - (priv->flags & ~ASYNC_USR_MASK))) + (priv->flags & ~ASYNC_USR_MASK))) { + unlock_kernel(); return -EPERM; + } priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | (new_serial.flags & ASYNC_USR_MASK)); priv->custom_divisor = new_serial.custom_divisor; @@ -1928,18 +1938,16 @@ static void ftdi_process_read(struct work_struct *work) /* Compare new line status to the old one, signal if different/ N.B. packet may be processed more than once, but differences are only processed once. */ - if (priv != NULL) { - char new_status = data[packet_offset + 0] & - FTDI_STATUS_B0_MASK; - if (new_status != priv->prev_status) { - priv->diff_status |= - new_status ^ priv->prev_status; - wake_up_interruptible(&priv->delta_msr_wait); - priv->prev_status = new_status; - } + char new_status = data[packet_offset + 0] & + FTDI_STATUS_B0_MASK; + if (new_status != priv->prev_status) { + priv->diff_status |= + new_status ^ priv->prev_status; + wake_up_interruptible(&priv->delta_msr_wait); + priv->prev_status = new_status; } - length = min(PKTSZ, urb->actual_length-packet_offset)-2; + length = min_t(u32, PKTSZ, urb->actual_length-packet_offset)-2; if (length < 0) { dev_err(&port->dev, "%s - bad packet length: %d\n", __func__, length+2); @@ -2284,11 +2292,8 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, 0, 0, buf, 1, WDR_TIMEOUT); - if (ret < 0) { - dbg("%s Could not get modem status of device - err: %d", __func__, - ret); + if (ret < 0) return ret; - } break; case FT8U232AM: case FT232BM: @@ -2303,15 +2308,11 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, 0, priv->interface, buf, 2, WDR_TIMEOUT); - if (ret < 0) { - dbg("%s Could not get modem status of device - err: %d", __func__, - ret); + if (ret < 0) return ret; - } break; default: return -EFAULT; - break; } return (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) | |