tty: make tty_operations::write()'s count size_t

[linux-block.git] / drivers / usb / class / cdc-acm.c

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 913b07b30d332fdc12306b883b03e43887d790f6..3591880d96bd309883a415922e9db42cd0cc483c 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -789,7 +789,8 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
        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;
@@ -800,7 +801,7 @@ static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
        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);
@@ -817,7 +818,7 @@ static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count)
        }
 
        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;