Remove condition on uninitialized tv

Downstream patch originally included more. I failed to spot tv is not
initialized, when removed that not-functional part.

dnsmasq-2.80-SIOCGSTAMP.patch

@@ -1,4 +1,4 @@
-From 31e14f6e52677c675ee4683f9daab5bf21c07dd6 Mon Sep 17 00:00:00 2001
+From 02b6209f8085cbe3443f8623ccdc31f020825507 Mon Sep 17 00:00:00 2001
 From: Petr Mensik <pemensik@redhat.com>
 Date: Wed, 31 Jul 2019 20:35:35 +0200
 Subject: [PATCH] Recent kernel no longer supports SIOCGSTAMP
@@ -6,11 +6,11 @@ Subject: [PATCH] Recent kernel no longer supports SIOCGSTAMP
 Build without it defined by kernel headers. Do not try SO_TIMESTAMP
 until fixed properly.
 ---
- src/dhcp.c | 32 ++++++++++++++++++--------------
- 1 file changed, 18 insertions(+), 14 deletions(-)
+ src/dhcp.c | 30 +++++++++++++++++-------------
+ 1 file changed, 17 insertions(+), 13 deletions(-)
 
 diff --git a/src/dhcp.c b/src/dhcp.c
-index f8d323b..9afdccf 100644
+index bea4688..13373ae 100644
 --- a/src/dhcp.c
 +++ b/src/dhcp.c
 @@ -178,23 +178,27 @@ void dhcp_packet(time_t now, int pxe_fd)
@@ -18,10 +18,9 @@ index f8d323b..9afdccf 100644
      return;
      
 -  #if defined (HAVE_LINUX_NETWORK)
--  if (ioctl(fd, SIOCGSTAMP, &tv) == 0)
 +#if defined (HAVE_LINUX_NETWORK)
 +#ifdef SIOCGSTAMP
-+  if (tv.tv_sec == 0 && ioctl(fd, SIOCGSTAMP, &tv) == 0)
+   if (ioctl(fd, SIOCGSTAMP, &tv) == 0)
      recvtime = tv.tv_sec;
 +#endif
  
@@ -56,5 +55,5 @@ index f8d323b..9afdccf 100644
  #elif defined(HAVE_BSD_NETWORK) 
    if (msg.msg_controllen >= sizeof(struct cmsghdr))
 -- 
-2.20.1
+2.26.2
 

dnsmasq.spec

@@ -20,7 +20,7 @@
 
 Name:           dnsmasq
 Version:        2.82
-Release:        3%{?extraversion:.%{extraversion}}%{?dist}
+Release:        4%{?extraversion:.%{extraversion}}%{?dist}
 Summary:        A lightweight DHCP/caching DNS server
 
 License:        GPLv2 or GPLv3
@@ -184,6 +184,9 @@ install -Dpm 644 %{SOURCE2} %{buildroot}%{_sysusersdir}/%{name}.conf
 %{_mandir}/man1/dhcp_*
 
 %changelog
+* Fri Oct 09 2020 Petr Menšík <pemensik@redhat.com> - 2.82-4
+- Remove uninitialized condition from downstream patch
+
 * Wed Sep 30 2020 Petr Menšík <pemensik@redhat.com> - 2.82-3
 - Listen only on localhost interface, return port unreachable on all others
   (#1852373)