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| author | Peter Hurley <peter@hurleysoftware.com> | 2013-07-24 14:29:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-24 18:26:51 +0200 |
| commit | 7d88d637a3c75257b7611f9feee0c17fa187ecc9 (patch) | |
| tree | fa732de61969c8f4de4efb503b0c0e9222f47670 /drivers/tty | |
| parent | n_tty: Fix build breakage on ppc64 (diff) | |
| download | linux-7d88d637a3c75257b7611f9feee0c17fa187ecc9.tar.xz linux-7d88d637a3c75257b7611f9feee0c17fa187ecc9.zip | |
n_tty: Factor standard per-char i/o into separate fn
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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/n_tty.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 2c120b634295..951ecfeed8d3 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -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) |