From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 2 Nov 2023 11:41:55 +0000 (+0100)
Subject: ntp: initialize network correction of transmitted packets
X-Git-Tag: 4.5-pre1~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51a621bc2bfa8f2c695c19c565799fb88ddf055b;p=thirdparty%2Fchrony.git

ntp: initialize network correction of transmitted packets

Initialize the unused value of network correction parsed from
own transmitted packets to avoid a use-of-uninitialized-value error
in NIO_UnwrapMessage() reported by clang.

Fixes: 6372a9f93f59 ("ntp: save PTP correction from NTP-over-PTP messages")
---

diff --git a/ntp_io_linux.c b/ntp_io_linux.c
index e797f34a..3b6874e3 100644
--- a/ntp_io_linux.c
+++ b/ntp_io_linux.c
@@ -727,7 +727,7 @@ NIO_Linux_ProcessMessage(SCK_Message *message, NTP_Local_Address *local_addr,
 {
   struct Interface *iface;
   int is_tx, ts_if_index, l2_length;
-  double c;
+  double c = 0.0;
 
   is_tx = event == SCH_FILE_EXCEPTION;
   iface = NULL;