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29 lines
938 B
29 lines
938 B
8 months ago
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From c57daab191c6551ac757576fcf7df45fd9790b6b Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Tue, 22 Nov 2022 12:56:38 +0100
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Subject: [PATCH] utmp-wtmp: fix error in case isatty() fails
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(cherry picked from commit 80b780ba178a84b248ecee47eef82358480c9492)
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Related: #2172846
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---
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src/shared/utmp-wtmp.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/shared/utmp-wtmp.c b/src/shared/utmp-wtmp.c
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index ef9427fa7b..743b784489 100644
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--- a/src/shared/utmp-wtmp.c
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+++ b/src/shared/utmp-wtmp.c
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@@ -312,8 +312,10 @@ static int write_to_terminal(const char *tty, const char *message) {
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assert(message);
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fd = open(tty, O_WRONLY|O_NONBLOCK|O_NOCTTY|O_CLOEXEC);
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- if (fd < 0 || !isatty(fd))
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+ if (fd < 0)
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return -errno;
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+ if (!isatty(fd))
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+ return -ENOTTY;
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p = message;
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left = strlen(message);
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