[PATCH 20/27] tty: n_hdlc: convert to u8 and size_t

["Jiri Slaby (SUSE)" <jirislaby@kernel.org>]

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

Note u8 is already both passed in and expected on output.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
---
 drivers/tty/n_hdlc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index a670419efe79..1615f074ab86 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -109,8 +109,8 @@
 
 struct n_hdlc_buf {
 	struct list_head  list_item;
-	int		  count;
-	char		  buf[];
+	size_t		  count;
+	u8		  buf[];
 };
 
 struct n_hdlc_buf_list {
@@ -263,9 +263,9 @@ static int n_hdlc_tty_open(struct tty_struct *tty)
  */
 static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
 {
-	register int actual;
 	unsigned long flags;
 	struct n_hdlc_buf *tbuf;
+	ssize_t actual;
 
 check_again:
 
@@ -281,7 +281,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
 
 	tbuf = n_hdlc_buf_get(&n_hdlc->tx_buf_list);
 	while (tbuf) {
-		pr_debug("sending frame %p, count=%d\n", tbuf, tbuf->count);
+		pr_debug("sending frame %p, count=%zu\n", tbuf, tbuf->count);
 
 		/* Send the next block of data to device */
 		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
@@ -521,9 +521,9 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file,
 				const u8 *data, size_t count)
 {
 	struct n_hdlc *n_hdlc = tty->disc_data;
-	int error = 0;
 	DECLARE_WAITQUEUE(wait, current);
 	struct n_hdlc_buf *tbuf;
+	ssize_t error = 0;
 
 	pr_debug("%s() called count=%zd\n", __func__, count);
 
-- 
2.43.0