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tty: tty_buffer: initialize variables in initializers already

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It makes the code both more compact, and more understandable.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230816105530.3335-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-16 12:55:29 +02:00 committed by Greg Kroah-Hartman
parent 64365743b3
commit 035197c908
1 changed files with 3 additions and 10 deletions
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13
drivers/tty/tty_buffer.c
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@ -262,17 +262,10 @@ static int __tty_buffer_request_room(struct tty_port *port, size_t size,
bool flags)
{
struct tty_bufhead *buf = &port->buf;
struct tty_buffer *b, *n;
size_t left;
bool change;
struct tty_buffer *n, *b = buf->tail;
size_t left = (b->flags ? 1 : 2) * b->size - b->used;
bool change = !b->flags && flags;
b = buf->tail;
if (!b->flags)
left = 2 * b->size - b->used;
else
left = b->size - b->used;
change = !b->flags && flags;
if (change || left < size) {
/* This is the slow path - looking for new buffers to use */
n = tty_buffer_alloc(port, size);