sd-id128: make sd_id128_get_boot() and friend return -ENOMEDIUM

2022-12-12 22:04:53 +09:00
parent a237c6e0b0
commit 9be90c401e
1 changed files with 3 additions and 0 deletions
@@ -148,6 +148,9 @@ _public_ int sd_id128_get_boot(sd_id128_t *ret) {
                r = id128_read("/proc/sys/kernel/random/boot_id", ID128_FORMAT_UUID, &saved_boot_id);
                if (r < 0)
                        return r;
+
+                if (sd_id128_is_null(saved_boot_id))
+                        return -ENOMEDIUM;
        }

        *ret = saved_boot_id;