[PATCH 41/44] tty: n_gsm, remove duplicates of parameters

From: Jiri Slaby
Date: Tue Mar 02 2021 - 03:34:50 EST


dp, f, and i are only duplicates of gsmld_receive_buf's parameters. Use
the parameters directly (cp, fp, and count) and delete these local
variables.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/n_gsm.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index b063bc608a8c..7e1d19805aa4 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2416,27 +2416,24 @@ static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
char *fp, int count)
{
struct gsm_mux *gsm = tty->disc_data;
- const unsigned char *dp;
- char *f;
- int i;
char flags = TTY_NORMAL;

if (debug & 4)
print_hex_dump_bytes("gsmld_receive: ", DUMP_PREFIX_OFFSET,
cp, count);

- for (i = count, dp = cp, f = fp; i; i--, dp++) {
- if (f)
- flags = *f++;
+ for (; count; count--, cp++) {
+ if (fp)
+ flags = *fp++;
switch (flags) {
case TTY_NORMAL:
- gsm->receive(gsm, *dp);
+ gsm->receive(gsm, *cp);
break;
case TTY_OVERRUN:
case TTY_BREAK:
case TTY_PARITY:
case TTY_FRAME:
- gsm_error(gsm, *dp, flags);
+ gsm_error(gsm, *cp, flags);
break;
default:
WARN_ONCE(1, "%s: unknown flag %d\n",
--
2.30.1