[PATCH 03/27] tty: switch tty_port::xmit_* to u8

From: Jiri Slaby (SUSE)
Date: Wed Dec 06 2023 - 02:37:34 EST


Both xmit_buf and xmit_fifo of struct tty_port should be u8. To conform
to characters in the rest of the tty layer.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
---
drivers/tty/tty_port.c | 2 +-
include/linux/tty_port.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index ef72d2e4b928..14cca33d2269 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -247,7 +247,7 @@ int tty_port_alloc_xmit_buf(struct tty_port *port)
/* We may sleep in get_zeroed_page() */
mutex_lock(&port->buf_mutex);
if (port->xmit_buf == NULL) {
- port->xmit_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL);
+ port->xmit_buf = (u8 *)get_zeroed_page(GFP_KERNEL);
if (port->xmit_buf)
kfifo_init(&port->xmit_fifo, port->xmit_buf, PAGE_SIZE);
}
diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h
index 3276311a7f38..1b861f2100b6 100644
--- a/include/linux/tty_port.h
+++ b/include/linux/tty_port.h
@@ -114,8 +114,8 @@ struct tty_port {
unsigned char console:1;
struct mutex mutex;
struct mutex buf_mutex;
- unsigned char *xmit_buf;
- DECLARE_KFIFO_PTR(xmit_fifo, unsigned char);
+ u8 *xmit_buf;
+ DECLARE_KFIFO_PTR(xmit_fifo, u8);
unsigned int close_delay;
unsigned int closing_wait;
int drain_delay;
--
2.43.0