diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-05-05 11:19:16 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2021-05-19 10:56:40 +0200 |
| commit | 94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560 (patch) | |
| tree | 480c01d00d7ff2fd9bd25f7becd79625a8bd771b /drivers/usb/serial/kobil_sct.c | |
| parent | Linux 5.13-rc2 (diff) | |
| download | linux-94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560.tar.xz linux-94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560.zip | |
USB: serial: make usb_serial_driver::write_room return uint
Line disciplines expect a positive value or zero returned from
tty->ops->write_room (invoked by tty_write_room). Both of them are being
updated to return an unsigned int. Switch also
usb_serial_driver::write_room and all its users.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
[ johan: amend commit message, drop unrelated comment change ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
| -rw-r--r-- | drivers/usb/serial/kobil_sct.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index a9bc546626ab..4ed8b8b0a361 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -53,7 +53,7 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port); static void kobil_close(struct usb_serial_port *port); static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); -static int kobil_write_room(struct tty_struct *tty); +static unsigned int kobil_write_room(struct tty_struct *tty); static int kobil_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); static int kobil_tiocmget(struct tty_struct *tty); @@ -358,7 +358,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, } -static int kobil_write_room(struct tty_struct *tty) +static unsigned int kobil_write_room(struct tty_struct *tty) { /* FIXME */ return 8; |