Commit 970cf9a9 authored Nov 17, 2022 by Sven Schnelle Committed by Heiko Carstens Jan 09, 2023

s390/tty3270: ignore NUL characters



With 'TERM=vt220' zsh is sending several NUL characters with
the prompt to the tty. Both xterm and the linux drm console
seem to ignore them. Ignore them in tty3270 as well.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

parent e4b57b93

drivers/s390/char/con3270.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1732,6 +1732,8 @@ static void tty3270_do_write(struct tty3270 tp, struct tty_struct tty,
		}

		switch (buf[i_msg]) {
		case 0x00:
		break;
		case 0x07: /* '\a' -- Alarm */
		tp->wcc \|= TW_PLUSALARM;
		break;