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n_tty: Factor standard per-char i/o into separate fn

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Simplify __receive_buf() into a dispatch function; perform per-char
processing for all other modes not already handled.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-07-24 08:29:49 -04:00 committed by Greg Kroah-Hartman
parent 86e35aea47
commit 7d88d637a3
1 changed files with 17 additions and 10 deletions
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27
drivers/tty/n_tty.c
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@ -1569,6 +1569,22 @@ n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp,
}
}
static void
n_tty_receive_buf_standard(struct tty_struct *tty, const unsigned char *cp,
char *fp, int count)
{
char flag = TTY_NORMAL;
while (count--) {
if (fp)
flag = *fp++;
if (likely(flag == TTY_NORMAL))
n_tty_receive_char(tty, *cp++);
else
n_tty_receive_char_flagged(tty, *cp++, flag);
}
}
static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
char *fp, int count)
{
@ -1582,16 +1598,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
else if (tty->closing && !L_EXTPROC(tty))
n_tty_receive_buf_closing(tty, cp, fp, count);
else {
char flag = TTY_NORMAL;
while (count--) {
if (fp)
flag = *fp++;
if (likely(flag == TTY_NORMAL))
n_tty_receive_char(tty, *cp++);
else
n_tty_receive_char_flagged(tty, *cp++, flag);
}
n_tty_receive_buf_standard(tty, cp, fp, count);
flush_echoes(tty);
if (tty->ops->flush_chars)