Commit 201560af authored by Jiri Slaby (SUSE)'s avatar Jiri Slaby (SUSE) Committed by Greg Kroah-Hartman
Browse files

tty: switch receive_buf() counts to size_t 



'size_t' is what receive_buf() expects and returns while handling count.
So switch to 'size_t'.

This renders both local 'count' and 'rcvd' in flush_to_ldisc() to be
size_t too.

Signed-off-by: default avatar"Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-12-jirislaby@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0468a807

drivers/tty/tty_buffer.c

+4 −4
Original line number Diff line number Diff line
@@ -502,12 +502,12 @@ static void lookahead_bufs(struct tty_port *port, struct tty_buffer *head) 
	}

}



static int

receive_buf(struct tty_port *port, struct tty_buffer *head, int count)

static size_t

receive_buf(struct tty_port *port, struct tty_buffer *head, size_t count)

{

	u8 *p = char_buf_ptr(head, head->read);

	const u8 *f = NULL;

	int n;

	size_t n;



	if (head->flags)

		f = flag_buf_ptr(head, head->read);
@@ -539,7 +539,7 @@ static void flush_to_ldisc(struct work_struct *work) 
	while (1) {

		struct tty_buffer *head = buf->head;

		struct tty_buffer *next;

		int count, rcvd;

		size_t count, rcvd;



		/* Ldisc or user is trying to gain exclusive access */

		if (atomic_read(&buf->priority))