tty: nozomi: convert to u8 and size_t

Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20231206073712.17776-22-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index b247341bd12f59d45aefbb70a5106d019885a8e0..e28a921c16374f7552e6dec6d324e7453173b6bb 100644 (file)
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -783,11 +783,10 @@ static int receive_data(enum port_type index, struct nozomi *dc)
                        tty_insert_flip_char(&port->port, buf[0], TTY_NORMAL);
                        size = 0;
                } else if (size < RECEIVE_BUF_MAX) {
-                       size -= tty_insert_flip_string(&port->port,
-                                       (char *)buf, size);
+                       size -= tty_insert_flip_string(&port->port, buf, size);
                } else {
-                       i = tty_insert_flip_string(&port->port,
-                                       (char *)buf, RECEIVE_BUF_MAX);
+                       i = tty_insert_flip_string(&port->port, buf,
+                                                  RECEIVE_BUF_MAX);
                        size -= i;
                        offset += i;
                }
@@ -1584,10 +1583,10 @@ static void ntty_hangup(struct tty_struct *tty)
 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);
        struct port *port = tty->driver_data;
        unsigned long flags;
+       size_t rval;
 
        if (!dc || !port)
                return -ENODEV;