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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: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-12-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-10 11:14:45 +02:00 committed by Greg Kroah-Hartman
parent 0468a8071d
commit 201560af61
1 changed files with 4 additions and 4 deletions
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8
drivers/tty/tty_buffer.c
View File

@ -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))