This is a note to let you know that I've just added the patch titled tty: n_gsm, remove duplicates of parameters to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: tty-n_gsm-remove-duplicates-of-parameters.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From Ilia.Gavrilov@xxxxxxxxxxx Tue Dec 12 12:17:23 2023 From: Gavrilov Ilia <Ilia.Gavrilov@xxxxxxxxxxx> Date: Tue, 12 Dec 2023 11:17:21 +0000 Subject: tty: n_gsm, remove duplicates of parameters To: "stable@xxxxxxxxxxxxxxx" <stable@xxxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Daniel Starke <daniel.starke@xxxxxxxxxxx>, Jiri Slaby <jirislaby@xxxxxxxxxx>, Russ Gorby <russ.gorby@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "lvc-project@xxxxxxxxxxxxxxxx" <lvc-project@xxxxxxxxxxxxxxxx>, Jiri Slaby <jslaby@xxxxxxx> Message-ID: <20231212111431.4064760-3-Ilia.Gavrilov@xxxxxxxxxxx> From: Jiri Slaby <jslaby@xxxxxxx> commit b93db97e1ca08e500305bc46b08c72e2232c4be1 upstream. 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> Link: https://lore.kernel.org/r/20210302062214.29627-41-jslaby@xxxxxxx Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/tty/n_gsm.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -2577,27 +2577,24 @@ static void gsmld_receive_buf(struct tty 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", Patches currently in stable-queue which might be from Ilia.Gavrilov@xxxxxxxxxxx are queue-5.10/tty-n_gsm-add-sanity-check-for-gsm-receive-in-gsm_receive_buf.patch queue-5.10/tty-n_gsm-fix-tty-registration-before-control-channel-open.patch queue-5.10/tty-n_gsm-remove-duplicates-of-parameters.patch