diff options
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index a788a6bf487d..624d104bd145 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -20,47 +20,45 @@ #include <linux/serdev.h> #include "tty.h" -static int tty_port_default_receive_buf(struct tty_port *port, - const unsigned char *p, - const unsigned char *f, size_t count) +static size_t tty_port_default_receive_buf(struct tty_port *port, const u8 *p, + const u8 *f, size_t count) { - int ret; struct tty_struct *tty; - struct tty_ldisc *disc; + struct tty_ldisc *ld; tty = READ_ONCE(port->itty); if (!tty) return 0; - disc = tty_ldisc_ref(tty); - if (!disc) + ld = tty_ldisc_ref(tty); + if (!ld) return 0; - ret = tty_ldisc_receive_buf(disc, p, (char *)f, count); + count = tty_ldisc_receive_buf(ld, p, f, count); - tty_ldisc_deref(disc); + tty_ldisc_deref(ld); - return ret; + return count; } -static void tty_port_default_lookahead_buf(struct tty_port *port, const unsigned char *p, - const unsigned char *f, unsigned int count) +static void tty_port_default_lookahead_buf(struct tty_port *port, const u8 *p, + const u8 *f, size_t count) { struct tty_struct *tty; - struct tty_ldisc *disc; + struct tty_ldisc *ld; tty = READ_ONCE(port->itty); if (!tty) return; - disc = tty_ldisc_ref(tty); - if (!disc) + ld = tty_ldisc_ref(tty); + if (!ld) return; - if (disc->ops->lookahead_buf) - disc->ops->lookahead_buf(disc->tty, p, f, count); + if (ld->ops->lookahead_buf) + ld->ops->lookahead_buf(ld->tty, p, f, count); - tty_ldisc_deref(disc); + tty_ldisc_deref(ld); } static void tty_port_default_wakeup(struct tty_port *port) |