n_tty: Simplify __receive_buf loop count
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index d598436..4f20bec 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1505,21 +1505,19 @@
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);