From bd6c104f931329ce6fbc5a1250c8c80a1d8223ee Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Mon, 24 Feb 2025 13:37:04 +0100 Subject: [PATCH] agetty: fix stdin conversion to tty name Addresses: https://github.com/util-linux/util-linux/issues/3304 Upstream-Status: Backport [https://github.com/util-linux/util-linux/commit/bd6c104f931329ce6fbc5a1250c8c80a1d8223ee] Signed-off-by: Yongxin Liu --- term-utils/agetty.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/term-utils/agetty.c b/term-utils/agetty.c index aa859c27b..0dfe52c90 100644 --- a/term-utils/agetty.c +++ b/term-utils/agetty.c @@ -928,11 +928,15 @@ static void parse_args(int argc, char **argv, struct options *op) /* resolve the tty path in case it was provided as stdin */ if (strcmp(op->tty, "-") == 0) { + int fd; + const char *name = op->tty; + op->tty_is_stdin = 1; - int fd = get_terminal_name(NULL, &op->tty, NULL); - if (fd < 0) { + fd = get_terminal_name(NULL, &name, NULL); + if (fd >= 0) + op->tty = name; /* set real device name */ + else log_warn(_("could not get terminal name: %d"), fd); - } } /* On virtual console remember the line which is used for */ -- 2.46.2