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n_tty: Simplify __receive_buf loop count 

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-06-15 10:21:21 -04:00 committed by Greg Kroah-Hartman
parent 1bb9d56285
commit 781ad1c793
1 changed files with 3 additions and 5 deletions
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8
drivers/tty/n_tty.c
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@ -1505,21 +1505,19 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
memcpy(read_buf_addr(ldata, head), cp, n);
ldata->read_head += n;
} else {
int i;
for (i = count; i; i--, cp++) {
while (count--) {
if (fp)
flags = *fp++;
switch (flags) {
case TTY_NORMAL:
n_tty_receive_char(tty, *cp);
n_tty_receive_char(tty, *cp++);
break;
case TTY_BREAK:
n_tty_receive_break(tty);
break;
case TTY_PARITY:
case TTY_FRAME:
n_tty_receive_parity_error(tty, *cp);
n_tty_receive_parity_error(tty, *cp++);
break;
case TTY_OVERRUN:
n_tty_receive_overrun(tty);