diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-08-10 11:15:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-11 21:12:46 +0200 |
| commit | 95713967ba52389f7cea75704d0cf048080ec218 (patch) | |
| tree | fec0df386db066c0026c8eb2e7fef035903e9af0 /drivers/usb/class/cdc-acm.c | |
| parent | tty: propagate u8 data to tty_operations::put_char() (diff) | |
| download | linux-95713967ba52389f7cea75704d0cf048080ec218.tar.xz linux-95713967ba52389f7cea75704d0cf048080ec218.zip | |
tty: make tty_operations::write()'s count size_t
Unify with the rest of the code. Use size_t for counts and ssize_t for
retval.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-30-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 913b07b30d33..3591880d96bd 100644 --- 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; |