From: Michael Trapp <michael.trapp@sap.com>
To: util-linux@vger.kernel.org
Cc: kzak@redhat.com
Subject: [PATCH] libuuid - check clock value from LIBUUID_CLOCK_FILE
Date: Tue, 2 Aug 2022 14:16:43 +0200 [thread overview]
Message-ID: <20220802121643.29565-1-michael.trapp@sap.com> (raw)
The clock value from the LIBUUID_CLOCK_FILE must be checked in
case of an update of libuuid. If clock==CLOCK_SEQ_CONT it must
be set to a new value.
---
libuuid/src/gen_uuid.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libuuid/src/gen_uuid.c b/libuuid/src/gen_uuid.c
index 807dcd115..e1ba3c3d0 100644
--- a/libuuid/src/gen_uuid.c
+++ b/libuuid/src/gen_uuid.c
@@ -274,6 +274,11 @@ static int get_clock(uint32_t *clock_high, uint32_t *clock_low,
last.tv_usec = tv2;
adjustment = a;
}
+ // reset in case of reserved CLOCK_SEQ_CONT
+ if (clock_seq == CLOCK_SEQ_CONT) {
+ last.tv_sec = 0;
+ last.tv_usec = 0;
+ }
}
if ((last.tv_sec == 0) && (last.tv_usec == 0)) {
--
next reply other threads:[~2022-08-02 12:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-02 12:16 Michael Trapp [this message]
2022-08-22 10:28 ` [PATCH] libuuid - check clock value from LIBUUID_CLOCK_FILE Karel Zak
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