[PATCH v2 05/20] n_tty: Simplify __receive_buf loop count
From: Peter Hurley <hidden>
Date: 2013-06-15 14:22:30
Also in:
lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Signed-off-by: Peter Hurley <redacted> --- drivers/tty/n_tty.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index caf37d3..f959dc9 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c@@ -1504,21 +1504,19 @@ 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);
--
1.8.1.2