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tty: switch tty_port::xmit_* to u8

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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@kernel.org>
Link: https://lore.kernel.org/r/20231206073712.17776-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-12-06 08:36:48 +01:00 committed by Greg Kroah-Hartman
parent e93102bea4
commit 49943393c9
2 changed files with 3 additions and 3 deletions
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2
drivers/tty/tty_port.c
View File

@ -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);
}

4
include/linux/tty_port.h
View File

@ -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;