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path: root/drivers/usb/serial/ftdi_sio.c
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Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c41
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) |