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path: root/drivers/usb/serial
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-rw-r--r--drivers/usb/serial/ch341.c2
-rw-r--r--drivers/usb/serial/console.c6
-rw-r--r--drivers/usb/serial/cp210x.c306
-rw-r--r--drivers/usb/serial/cyberjack.c3
-rw-r--r--drivers/usb/serial/cypress_m8.c3
-rw-r--r--drivers/usb/serial/digi_acceleport.c8
-rw-r--r--drivers/usb/serial/ftdi_sio.c10
-rw-r--r--drivers/usb/serial/ftdi_sio.h8
-rw-r--r--drivers/usb/serial/garmin_gps.c51
-rw-r--r--drivers/usb/serial/io_edgeport.c4
-rw-r--r--drivers/usb/serial/iuu_phoenix.c4
-rw-r--r--drivers/usb/serial/keyspan.c2
-rw-r--r--drivers/usb/serial/kl5kusb105.c3
-rw-r--r--drivers/usb/serial/mct_u232.c2
-rw-r--r--drivers/usb/serial/mos7720.c4
-rw-r--r--drivers/usb/serial/mos7840.c8
-rw-r--r--drivers/usb/serial/quatech2.c2
-rw-r--r--drivers/usb/serial/safe_serial.c11
18 files changed, 241 insertions, 196 deletions
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index c73808f095bb..f139488d0816 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -370,7 +370,7 @@ static void ch341_set_termios(struct tty_struct *tty,
static void ch341_break_ctl(struct tty_struct *tty, int break_state)
{
const uint16_t ch341_break_reg =
- CH341_REG_BREAK1 | ((uint16_t) CH341_REG_BREAK2 << 8);
+ ((uint16_t) CH341_REG_BREAK2 << 8) | CH341_REG_BREAK1;
struct usb_serial_port *port = tty->driver_data;
int r;
uint16_t reg_contents;
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 3806e7014199..a66b01bb1fa1 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -147,10 +147,7 @@ static int usb_console_setup(struct console *co, char *options)
kref_get(&tty->driver->kref);
__module_get(tty->driver->owner);
tty->ops = &usb_console_fake_tty_ops;
- if (tty_init_termios(tty)) {
- retval = -ENOMEM;
- goto put_tty;
- }
+ tty_init_termios(tty);
tty_port_tty_set(&port->port, tty);
}
@@ -185,7 +182,6 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
- put_tty:
tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 73a366de5102..fbfe761c7fba 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -327,113 +327,169 @@ struct cp210x_comm_status {
#define PURGE_ALL 0x000f
/*
- * cp210x_get_config
- * Reads from the CP210x configuration registers
- * 'size' is specified in bytes.
- * 'data' is a pointer to a pre-allocated array of integers large
- * enough to hold 'size' bytes (with 4 bytes to each integer)
+ * Reads a variable-sized block of CP210X_ registers, identified by req.
+ * Returns data into buf in native USB byte order.
*/
-static int cp210x_get_config(struct usb_serial_port *port, u8 request,
- unsigned int *data, int size)
+static int cp210x_read_reg_block(struct usb_serial_port *port, u8 req,
+ void *buf, int bufsize)
{
struct usb_serial *serial = port->serial;
struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
- __le32 *buf;
- int result, i, length;
-
- /* Number of integers required to contain the array */
- length = (((size - 1) | 3) + 1) / 4;
+ void *dmabuf;
+ int result;
- buf = kcalloc(length, sizeof(__le32), GFP_KERNEL);
- if (!buf)
+ dmabuf = kmalloc(bufsize, GFP_KERNEL);
+ if (!dmabuf) {
+ /*
+ * FIXME Some callers don't bother to check for error,
+ * at least give them consistent junk until they are fixed
+ */
+ memset(buf, 0, bufsize);
return -ENOMEM;
+ }
- /* Issue the request, attempting to read 'size' bytes */
result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- request, REQTYPE_INTERFACE_TO_HOST, 0x0000,
- port_priv->bInterfaceNumber, buf, size,
- USB_CTRL_GET_TIMEOUT);
+ req, REQTYPE_INTERFACE_TO_HOST, 0,
+ port_priv->bInterfaceNumber, dmabuf, bufsize,
+ USB_CTRL_SET_TIMEOUT);
+ if (result == bufsize) {
+ memcpy(buf, dmabuf, bufsize);
+ result = 0;
+ } else {
+ dev_err(&port->dev, "failed get req 0x%x size %d status: %d\n",
+ req, bufsize, result);
+ if (result >= 0)
+ result = -EPROTO;
- /* Convert data into an array of integers */
- for (i = 0; i < length; i++)
- data[i] = le32_to_cpu(buf[i]);
+ /*
+ * FIXME Some callers don't bother to check for error,
+ * at least give them consistent junk until they are fixed
+ */
+ memset(buf, 0, bufsize);
+ }
- kfree(buf);
+ kfree(dmabuf);
- if (result != size) {
- dev_dbg(&port->dev, "%s - Unable to send config request, request=0x%x size=%d result=%d\n",
- __func__, request, size, result);
- if (result > 0)
- result = -EPROTO;
+ return result;
+}
- return result;
+/*
+ * Reads any 32-bit CP210X_ register identified by req.
+ */
+static int cp210x_read_u32_reg(struct usb_serial_port *port, u8 req, u32 *val)
+{
+ __le32 le32_val;
+ int err;
+
+ err = cp210x_read_reg_block(port, req, &le32_val, sizeof(le32_val));
+ if (err) {
+ /*
+ * FIXME Some callers don't bother to check for error,
+ * at least give them consistent junk until they are fixed
+ */
+ *val = 0;
+ return err;
}
+ *val = le32_to_cpu(le32_val);
+
+ return 0;
+}
+
+/*
+ * Reads any 16-bit CP210X_ register identified by req.
+ */
+static int cp210x_read_u16_reg(struct usb_serial_port *port, u8 req, u16 *val)
+{
+ __le16 le16_val;
+ int err;
+
+ err = cp210x_read_reg_block(port, req, &le16_val, sizeof(le16_val));
+ if (err)
+ return err;
+
+ *val = le16_to_cpu(le16_val);
+
return 0;
}
/*
- * cp210x_set_config
- * Writes to the CP210x configuration registers
- * Values less than 16 bits wide are sent directly
- * 'size' is specified in bytes.
+ * Reads any 8-bit CP210X_ register identified by req.
+ */
+static int cp210x_read_u8_reg(struct usb_serial_port *port, u8 req, u8 *val)
+{
+ return cp210x_read_reg_block(port, req, val, sizeof(*val));
+}
+
+/*
+ * Writes any 16-bit CP210X_ register (req) whose value is passed
+ * entirely in the wValue field of the USB request.
*/
-static int cp210x_set_config(struct usb_serial_port *port, u8 request,
- unsigned int *data, int size)
+static int cp210x_write_u16_reg(struct usb_serial_port *port, u8 req, u16 val)
{
struct usb_serial *serial = port->serial;
struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
- __le32 *buf;
- int result, i, length;
+ int result;
+
+ result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ req, REQTYPE_HOST_TO_INTERFACE, val,
+ port_priv->bInterfaceNumber, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
+ if (result < 0) {
+ dev_err(&port->dev, "failed set request 0x%x status: %d\n",
+ req, result);
+ }
+
+ return result;
+}
- /* Number of integers required to contain the array */
- length = (((size - 1) | 3) + 1) / 4;
+/*
+ * Writes a variable-sized block of CP210X_ registers, identified by req.
+ * Data in buf must be in native USB byte order.
+ */
+static int cp210x_write_reg_block(struct usb_serial_port *port, u8 req,
+ void *buf, int bufsize)
+{
+ struct usb_serial *serial = port->serial;
+ struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+ void *dmabuf;
+ int result;
- buf = kmalloc(length * sizeof(__le32), GFP_KERNEL);
- if (!buf)
+ dmabuf = kmalloc(bufsize, GFP_KERNEL);
+ if (!dmabuf)
return -ENOMEM;
- /* Array of integers into bytes */
- for (i = 0; i < length; i++)
- buf[i] = cpu_to_le32(data[i]);
+ memcpy(dmabuf, buf, bufsize);
- if (size > 2) {
- result = usb_control_msg(serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request, REQTYPE_HOST_TO_INTERFACE, 0x0000,
- port_priv->bInterfaceNumber, buf, size,
- USB_CTRL_SET_TIMEOUT);
- } else {
- result = usb_control_msg(serial->dev,
- usb_sndctrlpipe(serial->dev, 0),
- request, REQTYPE_HOST_TO_INTERFACE, data[0],
- port_priv->bInterfaceNumber, NULL, 0,
- USB_CTRL_SET_TIMEOUT);
- }
+ result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ req, REQTYPE_HOST_TO_INTERFACE, 0,
+ port_priv->bInterfaceNumber, dmabuf, bufsize,
+ USB_CTRL_SET_TIMEOUT);
- kfree(buf);
+ kfree(dmabuf);
- if ((size > 2 && result != size) || result < 0) {
- dev_dbg(&port->dev, "%s - Unable to send request, request=0x%x size=%d result=%d\n",
- __func__, request, size, result);
- if (result > 0)
+ if (result == bufsize) {
+ result = 0;
+ } else {
+ dev_err(&port->dev, "failed set req 0x%x size %d status: %d\n",
+ req, bufsize, result);
+ if (result >= 0)
result = -EPROTO;
-
- return result;
}
- return 0;
+ return result;
}
/*
- * cp210x_set_config_single
- * Convenience function for calling cp210x_set_config on single data values
- * without requiring an integer pointer
+ * Writes any 32-bit CP210X_ register identified by req.
*/
-static inline int cp210x_set_config_single(struct usb_serial_port *port,
- u8 request, unsigned int data)
+static int cp210x_write_u32_reg(struct usb_serial_port *port, u8 req, u32 val)
{
- return cp210x_set_config(port, request, &data, 2);
+ __le32 le32_val;
+
+ le32_val = cpu_to_le32(val);
+
+ return cp210x_write_reg_block(port, req, &le32_val, sizeof(le32_val));
}
/*
@@ -445,47 +501,46 @@ static inline int cp210x_set_config_single(struct usb_serial_port *port,
static int cp210x_detect_swapped_line_ctl(struct usb_serial_port *port)
{
struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
- unsigned int line_ctl_save;
- unsigned int line_ctl_test;
+ u16 line_ctl_save;
+ u16 line_ctl_test;
int err;
- err = cp210x_get_config(port, CP210X_GET_LINE_CTL, &line_ctl_save, 2);
+ err = cp210x_read_u16_reg(port, CP210X_GET_LINE_CTL, &line_ctl_save);
if (err)
return err;
- line_ctl_test = 0x800;
- err = cp210x_set_config(port, CP210X_SET_LINE_CTL, &line_ctl_test, 2);
+ err = cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, 0x800);
if (err)
return err;
- err = cp210x_get_config(port, CP210X_GET_LINE_CTL, &line_ctl_test, 2);
+ err = cp210x_read_u16_reg(port, CP210X_GET_LINE_CTL, &line_ctl_test);
if (err)
return err;
if (line_ctl_test == 8) {
port_priv->has_swapped_line_ctl = true;
- line_ctl_save = swab16((u16)line_ctl_save);
+ line_ctl_save = swab16(line_ctl_save);
}
- return cp210x_set_config(port, CP210X_SET_LINE_CTL, &line_ctl_save, 2);
+ return cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, line_ctl_save);
}
/*
- * Must always be called instead of cp210x_get_config(CP210X_GET_LINE_CTL)
+ * Must always be called instead of cp210x_read_u16_reg(CP210X_GET_LINE_CTL)
* to workaround cp2108 bug and get correct value.
*/
-static int cp210x_get_line_ctl(struct usb_serial_port *port, unsigned int *ctl)
+static int cp210x_get_line_ctl(struct usb_serial_port *port, u16 *ctl)
{
struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
int err;
- err = cp210x_get_config(port, CP210X_GET_LINE_CTL, ctl, 2);
+ err = cp210x_read_u16_reg(port, CP210X_GET_LINE_CTL, ctl);
if (err)
return err;
/* Workaround swapped bytes in 16-bit value from CP210X_GET_LINE_CTL */
if (port_priv->has_swapped_line_ctl)
- *ctl = swab16((u16)(*ctl));
+ *ctl = swab16(*ctl);
return 0;
}
@@ -536,8 +591,7 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int result;
- result = cp210x_set_config_single(port, CP210X_IFC_ENABLE,
- UART_ENABLE);
+ result = cp210x_write_u16_reg(port, CP210X_IFC_ENABLE, UART_ENABLE);
if (result) {
dev_err(&port->dev, "%s - Unable to enable UART\n", __func__);
return result;
@@ -555,15 +609,12 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
static void cp210x_close(struct usb_serial_port *port)
{
- unsigned int purge_ctl;
-
usb_serial_generic_close(port);
/* Clear both queues; cp2108 needs this to avoid an occasional hang */
- purge_ctl = PURGE_ALL;
- cp210x_set_config(port, CP210X_PURGE, &purge_ctl, 2);
+ cp210x_write_u16_reg(port, CP210X_PURGE, PURGE_ALL);
- cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_DISABLE);
+ cp210x_write_u16_reg(port, CP210X_IFC_ENABLE, UART_DISABLE);
}
/*
@@ -641,11 +692,12 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
unsigned int *cflagp, unsigned int *baudp)
{
struct device *dev = &port->dev;
- unsigned int cflag, modem_ctl[4];
- unsigned int baud;
- unsigned int bits;
+ unsigned int cflag;
+ u8 modem_ctl[16];
+ u32 baud;
+ u16 bits;
- cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4);
+ cp210x_read_u32_reg(port, CP210X_GET_BAUDRATE, &baud);
dev_dbg(dev, "%s - baud rate = %d\n", __func__, baud);
*baudp = baud;
@@ -676,14 +728,14 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
cflag |= CS8;
bits &= ~BITS_DATA_MASK;
bits |= BITS_DATA_8;
- cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits);
break;
default:
dev_dbg(dev, "%s - Unknown number of data bits, using 8\n", __func__);
cflag |= CS8;
bits &= ~BITS_DATA_MASK;
bits |= BITS_DATA_8;
- cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits);
break;
}
@@ -714,7 +766,7 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
dev_dbg(dev, "%s - Unknown parity mode, disabling parity\n", __func__);
cflag &= ~PARENB;
bits &= ~BITS_PARITY_MASK;
- cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits);
break;
}
@@ -726,7 +778,7 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
case BITS_STOP_1_5:
dev_dbg(dev, "%s - stop bits = 1.5 (not supported, using 1 stop bit)\n", __func__);
bits &= ~BITS_STOP_MASK;
- cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits);
break;
case BITS_STOP_2:
dev_dbg(dev, "%s - stop bits = 2\n", __func__);
@@ -735,12 +787,13 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
default:
dev_dbg(dev, "%s - Unknown number of stop bits, using 1 stop bit\n", __func__);
bits &= ~BITS_STOP_MASK;
- cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits);
break;
}
- cp210x_get_config(port, CP210X_GET_FLOW, modem_ctl, 16);
- if (modem_ctl[0] & 0x0008) {
+ cp210x_read_reg_block(port, CP210X_GET_FLOW, modem_ctl,
+ sizeof(modem_ctl));
+ if (modem_ctl[0] & 0x08) {
dev_dbg(dev, "%s - flow control = CRTSCTS\n", __func__);
cflag |= CRTSCTS;
} else {
@@ -792,8 +845,7 @@ static void cp210x_change_speed(struct tty_struct *tty,
baud = cp210x_quantise_baudrate(baud);
dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud);
- if (cp210x_set_config(port, CP210X_SET_BAUDRATE, &baud,
- sizeof(baud))) {
+ if (cp210x_write_u32_reg(port, CP210X_SET_BAUDRATE, baud)) {
dev_warn(&port->dev, "failed to set baud rate to %u\n", baud);
if (old_termios)
baud = old_termios->c_ospeed;
@@ -809,8 +861,8 @@ static void cp210x_set_termios(struct tty_struct *tty,
{
struct device *dev = &port->dev;
unsigned int cflag, old_cflag;
- unsigned int bits;
- unsigned int modem_ctl[4];
+ u16 bits;
+ u8 modem_ctl[16];
cflag = tty->termios.c_cflag;
old_cflag = old_termios->c_cflag;
@@ -848,7 +900,7 @@ static void cp210x_set_termios(struct tty_struct *tty,
bits |= BITS_DATA_8;
break;
}
- if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
+ if (cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits))
dev_dbg(dev, "Number of data bits requested not supported by device\n");
}
@@ -875,7 +927,7 @@ static void cp210x_set_termios(struct tty_struct *tty,
}
}
}
- if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
+ if (cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits))
dev_dbg(dev, "Parity mode not supported by device\n");
}
@@ -889,32 +941,40 @@ static void cp210x_set_termios(struct tty_struct *tty,
bits |= BITS_STOP_1;
dev_dbg(dev, "%s - stop bits = 1\n", __func__);
}
- if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2))
+ if (cp210x_write_u16_reg(port, CP210X_SET_LINE_CTL, bits))
dev_dbg(dev, "Number of stop bits requested not supported by device\n");
}
if ((cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
- cp210x_get_config(port, CP210X_GET_FLOW, modem_ctl, 16);
- dev_dbg(dev, "%s - read modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x\n",
- __func__, modem_ctl[0], modem_ctl[1],
- modem_ctl[2], modem_ctl[3]);
+
+ /* Only bytes 0, 4 and 7 out of first 8 have functional bits */
+
+ cp210x_read_reg_block(port, CP210X_GET_FLOW, modem_ctl,
+ sizeof(modem_ctl));
+ dev_dbg(dev, "%s - read modem controls = %02x .. .. .. %02x .. .. %02x\n",
+ __func__, modem_ctl[0], modem_ctl[4], modem_ctl[7]);
if (cflag & CRTSCTS) {
modem_ctl[0] &= ~0x7B;
modem_ctl[0] |= 0x09;
- modem_ctl[1] = 0x80;
+ modem_ctl[4] = 0x80;
+ /* FIXME - why clear reserved bits just read? */
+ modem_ctl[5] = 0;
+ modem_ctl[6] = 0;
+ modem_ctl[7] = 0;
dev_dbg(dev, "%s - flow control = CRTSCTS\n", __func__);
} else {
modem_ctl[0] &= ~0x7B;
modem_ctl[0] |= 0x01;
- modem_ctl[1] |= 0x40;
+ /* FIXME - OR here instead of assignment looks wrong */
+ modem_ctl[4] |= 0x40;
dev_dbg(dev, "%s - flow control = NONE\n", __func__);
}
- dev_dbg(dev, "%s - write modem controls = 0x%.4x 0x%.4x 0x%.4x 0x%.4x\n",
- __func__, modem_ctl[0], modem_ctl[1],
- modem_ctl[2], modem_ctl[3]);
- cp210x_set_config(port, CP210X_SET_FLOW, modem_ctl, 16);
+ dev_dbg(dev, "%s - write modem controls = %02x .. .. .. %02x .. .. %02x\n",
+ __func__, modem_ctl[0], modem_ctl[4], modem_ctl[7]);
+ cp210x_write_reg_block(port, CP210X_SET_FLOW, modem_ctl,
+ sizeof(modem_ctl));
}
}
@@ -929,7 +989,7 @@ static int cp210x_tiocmset(struct tty_struct *tty,
static int cp210x_tiocmset_port(struct usb_serial_port *port,
unsigned int set, unsigned int clear)
{
- unsigned int control = 0;
+ u16 control = 0;
if (set & TIOCM_RTS) {
control |= CONTROL_RTS;
@@ -950,7 +1010,7 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port,
dev_dbg(&port->dev, "%s - control = 0x%.4x\n", __func__, control);
- return cp210x_set_config(port, CP210X_SET_MHS, &control, 2);
+ return cp210x_write_u16_reg(port, CP210X_SET_MHS, control);
}
static void cp210x_dtr_rts(struct usb_serial_port *p, int on)
@@ -964,10 +1024,10 @@ static void cp210x_dtr_rts(struct usb_serial_port *p, int on)
static int cp210x_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
- unsigned int control;
+ u8 control;
int result;
- cp210x_get_config(port, CP210X_GET_MDMSTS, &control, 1);
+ cp210x_read_u8_reg(port, CP210X_GET_MDMSTS, &control);
result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0)
|((control & CONTROL_RTS) ? TIOCM_RTS : 0)
@@ -984,7 +1044,7 @@ static int cp210x_tiocmget(struct tty_struct *tty)
static void cp210x_break_ctl(struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
- unsigned int state;
+ u16 state;
if (break_state == 0)
state = BREAK_OFF;
@@ -992,7 +1052,7 @@ static void cp210x_break_ctl(struct tty_struct *tty, int break_state)
state = BREAK_ON;
dev_dbg(&port->dev, "%s - turning break %s\n", __func__,
state == BREAK_OFF ? "off" : "on");
- cp210x_set_config(port, CP210X_SET_BREAK, &state, 2);
+ cp210x_write_u16_reg(port, CP210X_SET_BREAK, state);
}
static int cp210x_port_probe(struct usb_serial_port *port)
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 2916dea3ede8..5f17a3b9916d 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -140,7 +140,6 @@ static int cyberjack_open(struct tty_struct *tty,
{
struct cyberjack_private *priv;
unsigned long flags;
- int result = 0;
dev_dbg(&port->dev, "%s - usb_clear_halt\n", __func__);
usb_clear_halt(port->serial->dev, port->write_urb->pipe);
@@ -152,7 +151,7 @@ static int cyberjack_open(struct tty_struct *tty,
priv->wrsent = 0;
spin_unlock_irqrestore(&priv->lock, flags);
- return result;
+ return 0;
}
static void cyberjack_close(struct usb_serial_port *port)
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 01bf53392819..b283eb8b86d6 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1165,8 +1165,7 @@ static void cypress_read_int_callback(struct urb *urb)
/* hangup, as defined in acm.c... this might be a bad place for it
* though */
- if (tty && !(tty->termios.c_cflag & CLOCAL) &&
- !(priv->current_status & UART_CD)) {
+ if (tty && !C_CLOCAL(tty) && !(priv->current_status & UART_CD)) {
dev_dbg(dev, "%s - calling hangup\n", __func__);
tty_hangup(tty);
goto continue_read;
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 12b0e67473ba..010a42a92688 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -695,11 +695,11 @@ static void digi_set_termios(struct tty_struct *tty,
arg = -1;
/* reassert DTR and (maybe) RTS on transition from B0 */
- if ((old_cflag&CBAUD) == B0) {
+ if ((old_cflag & CBAUD) == B0) {
/* don't set RTS if using hardware flow control */
/* and throttling input */
modem_signals = TIOCM_DTR;
- if (!(tty->termios.c_cflag & CRTSCTS) ||
+ if (!C_CRTSCTS(tty) ||
!test_bit(TTY_THROTTLED, &tty->flags))
modem_signals |= TIOCM_RTS;
digi_set_modem_signals(port, modem_signals, 1);
@@ -1491,8 +1491,8 @@ static int digi_read_oob_callback(struct urb *urb)
rts = 0;
if (tty)
- rts = tty->termios.c_cflag & CRTSCTS;
-
+ rts = C_CRTSCTS(tty);
+
if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
spin_lock(&priv->dp_port_lock);
/* convert from digi flags to termiox flags */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8c660ae401d8..427ae43ee898 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1320,11 +1320,11 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
if (baud <= 3000000) {
__u16 product_id = le16_to_cpu(
port->serial->dev->descriptor.idProduct);
- if (((FTDI_NDI_HUC_PID == product_id) ||
- (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
- (FTDI_NDI_FUTURE_2_PID == product_id) ||
- (FTDI_NDI_FUTURE_3_PID == product_id) ||
- (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
+ if (((product_id == FTDI_NDI_HUC_PID) ||
+ (product_id == FTDI_NDI_SPECTRA_SCU_PID) ||
+ (product_id == FTDI_NDI_FUTURE_2_PID) ||
+ (product_id == FTDI_NDI_FUTURE_3_PID) ||
+ (product_id == FTDI_NDI_AURORA_SCU_PID)) &&
(baud == 19200)) {
baud = 1200000;
}
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index ed58c6fa8dbe..bbcc13df11ac 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -239,11 +239,11 @@ enum ftdi_sio_baudrate {
*/
#define FTDI_SIO_SET_DTR_MASK 0x1
-#define FTDI_SIO_SET_DTR_HIGH (1 | (FTDI_SIO_SET_DTR_MASK << 8))
-#define FTDI_SIO_SET_DTR_LOW (0 | (FTDI_SIO_SET_DTR_MASK << 8))
+#define FTDI_SIO_SET_DTR_HIGH ((FTDI_SIO_SET_DTR_MASK << 8) | 1)
+#define FTDI_SIO_SET_DTR_LOW ((FTDI_SIO_SET_DTR_MASK << 8) | 0)
#define FTDI_SIO_SET_RTS_MASK 0x2
-#define FTDI_SIO_SET_RTS_HIGH (2 | (FTDI_SIO_SET_RTS_MASK << 8))
-#define FTDI_SIO_SET_RTS_LOW (0 | (FTDI_SIO_SET_RTS_MASK << 8))
+#define FTDI_SIO_SET_RTS_HIGH ((FTDI_SIO_SET_RTS_MASK << 8) | 2)
+#define FTDI_SIO_SET_RTS_LOW ((FTDI_SIO_SET_RTS_MASK << 8) | 0)
/*
* ControlValue
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index db591d19d416..97cabf803c2f 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -237,10 +237,10 @@ static inline int getDataLength(const __u8 *usbPacket)
*/
static inline int isAbortTrfCmnd(const unsigned char *buf)
{
- if (0 == memcmp(buf, GARMIN_STOP_TRANSFER_REQ,
- sizeof(GARMIN_STOP_TRANSFER_REQ)) ||
- 0 == memcmp(buf, GARMIN_STOP_TRANSFER_REQ_V2,
- sizeof(GARMIN_STOP_TRANSFER_REQ_V2)))
+ if (memcmp(buf, GARMIN_STOP_TRANSFER_REQ,
+ sizeof(GARMIN_STOP_TRANSFER_REQ)) == 0 ||
+ memcmp(buf, GARMIN_STOP_TRANSFER_REQ_V2,
+ sizeof(GARMIN_STOP_TRANSFER_REQ_V2)) == 0)
return 1;
else
return 0;
@@ -350,7 +350,7 @@ static int gsp_send_ack(struct garmin_data *garmin_data_p, __u8 pkt_id)
unsigned l = 0;
dev_dbg(&garmin_data_p->port->dev, "%s - pkt-id: 0x%X.\n", __func__,
- 0xFF & pkt_id);
+ pkt_id);
*ptr++ = DLE;
*ptr++ = ACK;
@@ -366,7 +366,7 @@ static int gsp_send_ack(struct garmin_data *garmin_data_p, __u8 pkt_id)
*ptr++ = DLE;
*ptr++ = 0;
- *ptr++ = 0xFF & (-cksum);
+ *ptr++ = (-cksum) & 0xFF;
*ptr++ = DLE;
*ptr++ = ETX;
@@ -423,9 +423,9 @@ static int gsp_rec_packet(struct garmin_data *garmin_data_p, int count)
n++;
}
- if ((0xff & (cksum + *recpkt)) != 0) {
+ if (((cksum + *recpkt) & 0xff) != 0) {
dev_dbg(dev, "%s - invalid checksum, expected %02x, got %02x\n",
- __func__, 0xff & -cksum, 0xff & *recpkt);
+ __func__, -cksum & 0xff, *recpkt);
return -EINVPKT;
}
@@ -528,7 +528,7 @@ static int gsp_receive(struct garmin_data *garmin_data_p,
dev_dbg(dev, "NAK packet complete.\n");
} else {
dev_dbg(dev, "packet complete - id=0x%X.\n",
- 0xFF & data);
+ data);
gsp_rec_packet(garmin_data_p, size);
}
@@ -636,7 +636,7 @@ static int gsp_send(struct garmin_data *garmin_data_p,
garmin_data_p->outsize = 0;
- if (GARMIN_LAYERID_APPL != getLayerId(garmin_data_p->outbuffer)) {
+ if (getLayerId(garmin_data_p->outbuffer) != GARMIN_LAYERID_APPL) {
dev_dbg(dev, "not an application packet (%d)\n",
getLayerId(garmin_data_p->outbuffer));
return -1;
@@ -688,7 +688,7 @@ static int gsp_send(struct garmin_data *garmin_data_p,
*dst++ = DLE;
}
- cksum = 0xFF & -cksum;
+ cksum = -cksum & 0xFF;
*dst++ = cksum;
if (cksum == DLE)
*dst++ = DLE;
@@ -860,7 +860,6 @@ static int process_resetdev_request(struct usb_serial_port *port)
static int garmin_clear(struct garmin_data *garmin_data_p)
{
unsigned long flags;
- int status = 0;
/* flush all queued data */
pkt_clear(garmin_data_p);
@@ -870,7 +869,7 @@ static int garmin_clear(struct garmin_data *garmin_data_p)
garmin_data_p->outsize = 0;
spin_unlock_irqrestore(&garmin_data_p->lock, flags);
- return status;
+ return 0;
}
@@ -970,7 +969,7 @@ static void garmin_write_bulk_callback(struct urb *urb)
struct garmin_data *garmin_data_p =
usb_get_serial_port_data(port);
- if (GARMIN_LAYERID_APPL == getLayerId(urb->transfer_buffer)) {
+ if (getLayerId(urb->transfer_buffer) == GARMIN_LAYERID_APPL) {
if (garmin_data_p->mode == MODE_GARMIN_SERIAL) {
gsp_send_ack(garmin_data_p,
@@ -1025,7 +1024,7 @@ static int garmin_write_bulk(struct usb_serial_port *port,
dismiss_ack ? NULL : port);
urb->transfer_flags |= URB_ZERO_PACKET;
- if (GARMIN_LAYERID_APPL == getLayerId(buffer)) {
+ if (getLayerId(buffer) == GARMIN_LAYERID_APPL) {
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->flags |= APP_REQ_SEEN;
@@ -1077,9 +1076,9 @@ static int garmin_write(struct tty_struct *tty, struct usb_serial_port *port,
pktsiz = getDataLength(garmin_data_p->privpkt);
pktid = getPacketId(garmin_data_p->privpkt);
- if (count == (GARMIN_PKTHDR_LENGTH+pktsiz)
- && GARMIN_LAYERID_PRIVATE ==
- getLayerId(garmin_data_p->privpkt)) {
+ if (count == (GARMIN_PKTHDR_LENGTH + pktsiz) &&
+ getLayerId(garmin_data_p->privpkt) ==
+ GARMIN_LAYERID_PRIVATE) {
dev_dbg(dev, "%s - processing private request %d\n",
__func__, pktid);
@@ -1192,7 +1191,7 @@ static void garmin_read_bulk_callback(struct urb *urb)
garmin_read_process(garmin_data_p, data, urb->actual_length, 1);
if (urb->actual_length == 0 &&
- 0 != (garmin_data_p->flags & FLAGS_BULK_IN_RESTART)) {
+ (garmin_data_p->flags & FLAGS_BULK_IN_RESTART) != 0) {
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->flags &= ~FLAGS_BULK_IN_RESTART;
spin_unlock_irqrestore(&garmin_data_p->lock, flags);
@@ -1203,7 +1202,7 @@ static void garmin_read_bulk_callback(struct urb *urb)
__func__, retval);
} else if (urb->actual_length > 0) {
/* Continue trying to read until nothing more is received */
- if (0 == (garmin_data_p->flags & FLAGS_THROTTLED)) {
+ if ((garmin_data_p->flags & FLAGS_THROTTLED) == 0) {
retval = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (retval)
dev_err(&port->dev,
@@ -1249,12 +1248,12 @@ static void garmin_read_int_callback(struct urb *urb)
urb->transfer_buffer);
if (urb->actual_length == sizeof(GARMIN_BULK_IN_AVAIL_REPLY) &&
- 0 == memcmp(data, GARMIN_BULK_IN_AVAIL_REPLY,
- sizeof(GARMIN_BULK_IN_AVAIL_REPLY))) {
+ memcmp(data, GARMIN_BULK_IN_AVAIL_REPLY,
+ sizeof(GARMIN_BULK_IN_AVAIL_REPLY)) == 0) {
dev_dbg(&port->dev, "%s - bulk data available.\n", __func__);
- if (0 == (garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE)) {
+ if ((garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE) == 0) {
/* bulk data available */
retval = usb_submit_urb(port->read_urb, GFP_ATOMIC);
@@ -1276,8 +1275,8 @@ static void garmin_read_int_callback(struct urb *urb)
}
} else if (urb->actual_length == (4+sizeof(GARMIN_START_SESSION_REPLY))
- && 0 == memcmp(data, GARMIN_START_SESSION_REPLY,
- sizeof(GARMIN_START_SESSION_REPLY))) {
+ && memcmp(data, GARMIN_START_SESSION_REPLY,
+ sizeof(GARMIN_START_SESSION_REPLY)) == 0) {
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->flags |= FLAGS_SESSION_REPLY1_SEEN;
@@ -1356,7 +1355,7 @@ static void garmin_unthrottle(struct tty_struct *tty)
if (garmin_data_p->mode == MODE_NATIVE)
garmin_flush_queue(garmin_data_p);
- if (0 != (garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE)) {
+ if ((garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE) != 0) {
status = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (status)
dev_err(&port->dev,
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index f49327d20ee8..f3007ecdd1b4 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1398,7 +1398,7 @@ static void edge_throttle(struct tty_struct *tty)
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
edge_port->shadowMCR &= ~MCR_RTS;
status = send_cmd_write_uart_register(edge_port, MCR,
edge_port->shadowMCR);
@@ -1435,7 +1435,7 @@ static void edge_unthrottle(struct tty_struct *tty)
return;
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
edge_port->shadowMCR |= MCR_RTS;
send_cmd_write_uart_register(edge_port, MCR,
edge_port->shadowMCR);
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 5ad4a0fb4b26..344b4eea4bd5 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -360,7 +360,7 @@ static void iuu_led_activity_on(struct urb *urb)
int result;
char *buf_ptr = port->write_urb->transfer_buffer;
*buf_ptr++ = IUU_SET_LED;
- if (xmas == 1) {
+ if (xmas) {
get_random_bytes(buf_ptr, 6);
*(buf_ptr+7) = 1;
} else {
@@ -380,7 +380,7 @@ static void iuu_led_activity_off(struct urb *urb)
struct usb_serial_port *port = urb->context;
int result;
char *buf_ptr = port->write_urb->transfer_buffer;
- if (xmas == 1) {
+ if (xmas) {
iuu_rxcmd(urb);
return;
} else {
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index e07b15ed5814..b6bd8e4a6486 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1963,7 +1963,7 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial,
if (d_details->product_id == keyspan_usa49wg_product_id) {
dr = (void *)(s_priv->ctrl_buf);
dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT;
- dr->bRequest = 0xB0; /* 49wg control message */;
+ dr->bRequest = 0xB0; /* 49wg control message */
dr->wValue = 0;
dr->wIndex = 0;
dr->wLength = cpu_to_le16(sizeof(msg));
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index e020ad28a00c..fc5d3a791e08 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -472,7 +472,6 @@ static void klsi_105_set_termios(struct tty_struct *tty,
/* maybe this should be simulated by sending read
* disable and read enable messages?
*/
- ;
#if 0
priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
mct_u232_set_modem_ctrl(serial, priv->control_state);
@@ -527,7 +526,6 @@ static void klsi_105_set_termios(struct tty_struct *tty,
mct_u232_set_line_ctrl(serial, priv->last_lcr);
#endif
- ;
}
/*
* Set flow control: well, I do not really now how to handle DTR/RTS.
@@ -546,7 +544,6 @@ static void klsi_105_set_termios(struct tty_struct *tty,
priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
mct_u232_set_modem_ctrl(serial, priv->control_state);
#endif
- ;
}
memcpy(cfg, &priv->cfg, sizeof(*cfg));
spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index fd707d6a10e2..4446b8d70ac2 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -428,7 +428,7 @@ static int mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port)
* either.
*/
spin_lock_irqsave(&priv->lock, flags);
- if (tty && (tty->termios.c_cflag & CBAUD))
+ if (tty && C_BAUD(tty))
priv->control_state = TIOCM_DTR | TIOCM_RTS;
else
priv->control_state = 0;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 78b4f64c6b00..2eddbe538cda 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1308,7 +1308,7 @@ static void mos7720_throttle(struct tty_struct *tty)
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
mos7720_port->shadowMCR &= ~UART_MCR_RTS;
write_mos_reg(port->serial, port->port_number, MOS7720_MCR,
mos7720_port->shadowMCR);
@@ -1338,7 +1338,7 @@ static void mos7720_unthrottle(struct tty_struct *tty)
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
mos7720_port->shadowMCR |= UART_MCR_RTS;
write_mos_reg(port->serial, port->port_number, MOS7720_MCR,
mos7720_port->shadowMCR);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 2c69bfcdacc6..ed378fb232e7 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1425,7 +1425,7 @@ static void mos7840_throttle(struct tty_struct *tty)
return;
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
mos7840_port->shadowMCR &= ~MCR_RTS;
status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER,
mos7840_port->shadowMCR);
@@ -1466,7 +1466,7 @@ static void mos7840_unthrottle(struct tty_struct *tty)
}
/* if we are implementing RTS/CTS, toggle that line */
- if (tty->termios.c_cflag & CRTSCTS) {
+ if (C_CRTSCTS(tty)) {
mos7840_port->shadowMCR |= MCR_RTS;
status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER,
mos7840_port->shadowMCR);
@@ -1842,7 +1842,7 @@ static void mos7840_change_port_settings(struct tty_struct *tty,
Data = 0x0c;
mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data);
- if (mos7840_port->read_urb_busy == false) {
+ if (!mos7840_port->read_urb_busy) {
mos7840_port->read_urb_busy = true;
status = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL);
if (status) {
@@ -1906,7 +1906,7 @@ static void mos7840_set_termios(struct tty_struct *tty,
return;
}
- if (mos7840_port->read_urb_busy == false) {
+ if (!mos7840_port->read_urb_busy) {
mos7840_port->read_urb_busy = true;
status = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL);
if (status) {
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 504f5bff79c0..2df8ad5ede89 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -973,7 +973,7 @@ static int qt2_write(struct tty_struct *tty,
data = write_urb->transfer_buffer;
spin_lock_irqsave(&port_priv->urb_lock, flags);
- if (port_priv->urb_in_use == true) {
+ if (port_priv->urb_in_use) {
dev_err(&port->dev, "qt2_write - urb is in use\n");
goto write_out;
}
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index b2dff0f14743..93c6c9b08daa 100644
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -76,13 +76,8 @@
#include <linux/usb.h>
#include <linux/usb/serial.h>
-
-#ifndef CONFIG_USB_SERIAL_SAFE_PADDED
-#define CONFIG_USB_SERIAL_SAFE_PADDED 0
-#endif
-
-static bool safe = 1;
-static bool padded = CONFIG_USB_SERIAL_SAFE_PADDED;
+static bool safe = true;
+static bool padded = IS_ENABLED(CONFIG_USB_SERIAL_SAFE_PADDED);
#define DRIVER_AUTHOR "sl@lineo.com, tbr@lineo.com, Johan Hovold <jhovold@gmail.com>"
#define DRIVER_DESC "USB Safe Encapsulated Serial"
@@ -278,7 +273,7 @@ static int safe_startup(struct usb_serial *serial)
case LINEO_SAFESERIAL_CRC:
break;
case LINEO_SAFESERIAL_CRC_PADDED:
- padded = 1;
+ padded = true;
break;
default:
return -EINVAL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.