return count;
}
-static int
-srmcons_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t
+srmcons_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
unsigned long flags;
{
}
-static int nfcon_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t nfcon_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
nfputs(buf, count);
return count;
line_flush_buffer(tty);
}
-int line_write(struct tty_struct *tty, const u8 *buf, int len)
+ssize_t line_write(struct tty_struct *tty, const u8 *buf, size_t len)
{
struct line *line = tty->driver_data;
unsigned long flags;
extern void line_hangup(struct tty_struct *tty);
extern int line_setup(char **conf, unsigned nlines, char **def,
char *init, char *name);
-extern int line_write(struct tty_struct *tty, const u8 *buf, int len);
+extern ssize_t line_write(struct tty_struct *tty, const u8 *buf, size_t len);
extern unsigned int line_chars_in_buffer(struct tty_struct *tty);
extern void line_flush_buffer(struct tty_struct *tty);
extern void line_flush_chars(struct tty_struct *tty);
}
-static int rs_write(struct tty_struct * tty, const u8 *buf, int count)
+static ssize_t rs_write(struct tty_struct * tty, const u8 *buf, size_t count)
{
/* see drivers/char/serialX.c to reference original version */
/*
* TTY operations write function.
*/
-static int tpk_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t tpk_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct ttyprintk_port *tpkp = tty->driver_data;
unsigned long flags;
return i;
}
-static int ipoctal_write_tty(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t ipoctal_write_tty(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct ipoctal_channel *channel = tty->driver_data;
unsigned int char_copied;
tty_port_close(&mp->port, tty, filp);
}
-static int capinc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t capinc_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct capiminor *mp = tty->driver_data;
struct sk_buff *skb;
- pr_debug("capinc_tty_write(count=%d)\n", count);
+ pr_debug("capinc_tty_write(count=%zu)\n", count);
spin_lock_bh(&mp->outlock);
skb = mp->outskb;
VK_BAR0_REGSEG_DB_BASE + VK_BAR0_REGSEG_TTY_DB_OFFSET);
}
-static int bcm_vk_tty_write(struct tty_struct *tty, const u8 *buffer, int count)
+static ssize_t bcm_vk_tty_write(struct tty_struct *tty, const u8 *buffer,
+ size_t count)
{
int index;
struct bcm_vk *vk;
tty_port_hangup(&port->port);
}
-static int sdio_uart_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t sdio_uart_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct sdio_uart_port *port = tty->driver_data;
int ret;
}
/* close the requested serial port */
-static int hso_serial_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t hso_serial_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct hso_serial *serial = tty->driver_data;
int space, tx_bytes;
/*
* String write routine for 3215 ttys
*/
-static int tty3215_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t tty3215_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
handle_write(tty->driver_data, buf, count);
return count;
/*
* String write routine for 3270 ttys
*/
-static int tty3270_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t tty3270_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct tty3270 *tp;
* tty device. The characters may come from user space or kernel space. This
* routine will return the number of characters actually accepted for writing.
*/
-static int
-sclp_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t
+sclp_tty_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
if (sclp_tty_chars_count > 0) {
sclp_tty_write_string(sclp_tty_chars, sclp_tty_chars_count, 0);
* user space or kernel space. This routine will return the
* number of characters actually accepted for writing.
*/
-static int
-sclp_vt220_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t
+sclp_vt220_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
return __sclp_vt220_write(buf, count, 1, 0, 1);
}
tty_port_tty_wakeup(&gdm->port);
}
-static int gdm_tty_write(struct tty_struct *tty, const u8 *buf, int len)
+static ssize_t gdm_tty_write(struct tty_struct *tty, const u8 *buf, size_t len)
{
struct gdm *gdm = tty->driver_data;
int remain = len;
tty_port_hangup(&gb_tty->port);
}
-static int gb_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t gb_tty_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct gb_tty *gb_tty = tty->driver_data;
local_irq_restore(flags);
}
-static int rs_write(struct tty_struct * tty, const u8 *buf, int count)
+static ssize_t rs_write(struct tty_struct * tty, const u8 *buf, size_t count)
{
int c, ret = 0;
struct serial_state *info = tty->driver_data;
* ehv_bc_tty_write_room() will never lie, so the tty layer will never send us
* too much data.
*/
-static int ehv_bc_tty_write(struct tty_struct *ttys, const u8 *s, int count)
+static ssize_t ehv_bc_tty_write(struct tty_struct *ttys, const u8 *s,
+ size_t count)
{
struct ehv_bc_data *bc = ttys->driver_data;
unsigned long flags;
tty_port_hangup(tty->port);
}
-static int goldfish_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t goldfish_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
goldfish_tty_do_write(tty->index, buf, count);
return count;
return n;
}
-static int hvc_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t hvc_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct hvc_struct *hp = tty->driver_data;
unsigned long flags;
* tty_hangup will allow hvcs_write time to complete execution before it
* terminates our device.
*/
-static int hvcs_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t hvcs_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct hvcs_struct *hvcsd = tty->driver_data;
unsigned int unit_address;
unit_address = hvcsd->vdev->unit_address;
while (count > 0) {
- tosend = min(count, (HVCS_BUFF_LEN - hvcsd->chars_in_buffer));
+ tosend = min_t(unsigned, count,
+ (HVCS_BUFF_LEN - hvcsd->chars_in_buffer));
/*
* No more space, this probably means that the last call to
* hvcs_write() didn't succeed and the buffer was filled up.
return hp->n_outbuf;
}
-static int hvsi_write(struct tty_struct *tty, const u8 *source, int count)
+static ssize_t hvsi_write(struct tty_struct *tty, const u8 *source,
+ size_t count)
{
struct hvsi_struct *hp = tty->driver_data;
unsigned long flags;
tty->tx_bytes_queued -= packet_length;
}
-static int ipw_write(struct tty_struct *linux_tty, const u8 *buf, int count)
+static ssize_t ipw_write(struct tty_struct *linux_tty, const u8 *buf,
+ size_t count)
{
struct ipw_tty *tty = linux_tty->driver_data;
int room, ret;
tty_port_hangup(tty->port);
}
-static int mips_ejtag_fdc_tty_write(struct tty_struct *tty, const u8 *buf,
- int total)
+static ssize_t mips_ejtag_fdc_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t total)
{
int count, block;
struct mips_ejtag_fdc_tty_port *dport = tty->driver_data;
*/
spin_lock(&dport->xmit_lock);
/* Work out how many bytes we can write to the xmit buffer */
- total = min(total, (int)(priv->xmit_size - dport->xmit_cnt));
+ total = min_t(size_t, total, priv->xmit_size - dport->xmit_cnt);
atomic_add(total, &priv->xmit_total);
dport->xmit_cnt += total;
/* Write the actual bytes (may need splitting if it wraps) */
*/
static int moxa_open(struct tty_struct *, struct file *);
static void moxa_close(struct tty_struct *, struct file *);
-static int moxa_write(struct tty_struct *, const u8 *, int);
+static ssize_t moxa_write(struct tty_struct *, const u8 *, size_t);
static unsigned int moxa_write_room(struct tty_struct *);
static void moxa_flush_buffer(struct tty_struct *);
static unsigned int moxa_chars_in_buffer(struct tty_struct *);
tty_port_close(&ch->port, tty, filp);
}
-static int moxa_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t moxa_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct moxa_port *ch = tty->driver_data;
unsigned long flags;
tty_port_close(tty->port, tty, filp);
}
-static int mxser_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t mxser_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct mxser_port *info = tty->driver_data;
unsigned long flags;
gsm_dlci_begin_close(dlci);
}
-static int gsmtty_write(struct tty_struct *tty, const u8 *buf, int len)
+static ssize_t gsmtty_write(struct tty_struct *tty, const u8 *buf, size_t len)
{
int sent;
struct gsm_dlci *dlci = tty->driver_data;
* called when the userspace process writes to the tty (/dev/noz*).
* Data is inserted into a fifo, which is then read and transferred to the modem.
*/
-static int ntty_write(struct tty_struct *tty, const u8 *buffer, int count)
+static ssize_t ntty_write(struct tty_struct *tty, const u8 *buffer,
+ size_t count)
{
int rval = -EINVAL;
struct nozomi *dc = get_dc_by_tty(tty);
* the other side of the pty/tty pair.
*/
-static int pty_write(struct tty_struct *tty, const u8 *buf, int c)
+static ssize_t pty_write(struct tty_struct *tty, const u8 *buf, size_t c)
{
struct tty_struct *to = tty->link;
return tty_port_close(tty->port, tty, filp);
}
-static int rpmsg_tty_write(struct tty_struct *tty, const u8 *buf, int len)
+static ssize_t rpmsg_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t len)
{
struct rpmsg_tty_port *cport = tty->driver_data;
struct rpmsg_device *rpdev;
if (msg_max_size < 0)
return msg_max_size;
- msg_size = min(len, msg_max_size);
+ msg_size = min_t(unsigned int, len, msg_max_size);
/*
* Use rpmsg_trysend instead of rpmsg_send to send the message so the caller is not
return 2048;
}
-static int kgdb_nmi_tty_write(struct tty_struct *tty, const u8 *buf, int c)
+static ssize_t kgdb_nmi_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t c)
{
int i;
uart_start(tty);
}
-static int uart_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t uart_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct uart_state *state = tty->driver_data;
struct uart_port *port;
}
}
-static int write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t write(struct tty_struct *tty, const u8 *buf, size_t count)
{
int ret = 0;
struct slgt_info *info = tty->driver_data;
if (sanity_check(info, tty->name, "write"))
return -EIO;
- DBGINFO(("%s write count=%d\n", info->device_name, count));
+ DBGINFO(("%s write count=%zu\n", info->device_name, count));
if (!info->tx_buf || (count > info->max_frame_size))
return -EIO;
tty_port_hangup(&ttynull_port);
}
-static int ttynull_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t ttynull_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
return count;
}
tty_port_hangup(tty->port);
}
-static int vcc_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t vcc_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct vcc_port *port;
struct vio_vcc *pkt;
while (count > 0) {
/* Minimum of data to write and space available */
- tosend = min(count, (VCC_BUFF_LEN - port->chars_in_buffer));
+ tosend = min_t(size_t, count,
+ (VCC_BUFF_LEN - port->chars_in_buffer));
if (!tosend)
break;
* /dev/ttyN handling
*/
-static int con_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t con_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
int retval;
tty_port_close(&acm->port, tty, filp);
}
-static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t acm_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct acm *acm = tty->driver_data;
int stat;
if (!count)
return 0;
- dev_vdbg(&acm->data->dev, "%d bytes from tty layer\n", count);
+ dev_vdbg(&acm->data->dev, "%zu bytes from tty layer\n", count);
spin_lock_irqsave(&acm->write_lock, flags);
wbn = acm_wb_alloc(acm);
}
count = (count > acm->writesize) ? acm->writesize : count;
- dev_vdbg(&acm->data->dev, "writing %d bytes\n", count);
+ dev_vdbg(&acm->data->dev, "writing %zu bytes\n", count);
memcpy(wb->buf, buf, count);
wb->len = count;
spin_unlock_irq(&port->port_lock);
}
-static int gs_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t gs_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct gs_port *port = tty->driver_data;
unsigned long flags;
- pr_vdebug("gs_write: ttyGS%d (%p) writing %d bytes\n",
+ pr_vdebug("gs_write: ttyGS%d (%p) writing %zu bytes\n",
port->port_num, tty, count);
spin_lock_irqsave(&port->port_lock, flags);
tty_port_close(&port->port, tty, file);
}
-static int dbc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t dbc_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
module_put(owner);
}
-static int serial_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t serial_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct usb_serial_port *port = tty->driver_data;
int retval = -ENODEV;
if (port->serial->dev->state == USB_STATE_NOTATTACHED)
goto exit;
- dev_dbg(&port->dev, "%s - %d byte(s)\n", __func__, count);
+ dev_dbg(&port->dev, "%s - %zu byte(s)\n", __func__, count);
retval = port->serial->type->write(tty, port, buf, count);
if (retval < 0)
* is closed for the last time freeing up the resources. This is
* actually the second part of shutdown for routines that might sleep.
*
- * @write: ``int ()(struct tty_struct *tty, const unsigned char *buf,
- * int count)``
+ * @write: ``ssize_t ()(struct tty_struct *tty, const unsigned char *buf,
+ * size_t count)``
*
* This routine is called by the kernel to write a series (@count) of
* characters (@buf) to the @tty device. The characters may come from
void (*close)(struct tty_struct * tty, struct file * filp);
void (*shutdown)(struct tty_struct *tty);
void (*cleanup)(struct tty_struct *tty);
- int (*write)(struct tty_struct *tty, const u8 *buf, int count);
+ ssize_t (*write)(struct tty_struct *tty, const u8 *buf, size_t count);
int (*put_char)(struct tty_struct *tty, u8 ch);
void (*flush_chars)(struct tty_struct *tty);
unsigned int (*write_room)(struct tty_struct *tty);
tty_port_close(&dev->port, tty, filp);
}
-static int rfcomm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
+static ssize_t rfcomm_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct rfcomm_dev *dev = tty->driver_data;
struct rfcomm_dlc *dlc = dev->dlc;
struct sk_buff *skb;
int sent = 0, size;
- BT_DBG("tty %p count %d", tty, count);
+ BT_DBG("tty %p count %zu", tty, count);
while (count) {
size = min_t(uint, count, dlc->mtu);