28 lines
995 B
Diff
28 lines
995 B
Diff
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From 5e97c9d10934b54dfb93a4d236dd3a9c92840f26 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Thu, 8 Dec 2022 15:48:25 +0900
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Subject: [PATCH] sd-id128: make sd_id128_get_boot() and friend return
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-ENOMEDIUM
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(cherry picked from commit 9be90c401e16cf04a9cea0b19fdefa7d0a47f056)
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Related: RHEL-27512
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---
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src/libsystemd/sd-id128/sd-id128.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
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index 5e9ec2b5f6..bff8074f19 100644
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--- a/src/libsystemd/sd-id128/sd-id128.c
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+++ b/src/libsystemd/sd-id128/sd-id128.c
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@@ -149,6 +149,9 @@ _public_ int sd_id128_get_boot(sd_id128_t *ret) {
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r = id128_read("/proc/sys/kernel/random/boot_id", ID128_FORMAT_UUID, &saved_boot_id);
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if (r < 0)
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return r;
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+
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+ if (sd_id128_is_null(saved_boot_id))
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+ return -ENOMEDIUM;
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}
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*ret = saved_boot_id;
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