Fix missing IP of alias interface

The ifup-aliases script assumes that the IPv4 address is always
defined. If the configuration is only for IPv6, the script would
generate an error and not process the IPv6 address of the interface.
This commit is to bring up the IPv6 interface even if the IPv4 address
is not defined.

Partial-Bug: 1834234

Change-Id: Ib0c4cbc7ec19cc0c0c485e4ad63c380aa8a49a4c
Signed-off-by: Teresa Ho <teresa.ho@windriver.com>

base/initscripts/centos/build_srpm.data

@@ -1 +1 @@
-TIS_PATCH_VER=18
+TIS_PATCH_VER=19

base/initscripts/centos/meta_patches/PATCH_ORDER

@@ -3,3 +3,4 @@ stop-creating-shared-dirs.patch
 fix-build-failures-due-to-unwanted-sgid.patch
 0001-Update-package-versioning-for-TIS-format.patch
 ifup-alias-scope.patch
+added-ifup-alias-check-ipaddr.patch

base/initscripts/centos/meta_patches/added-ifup-alias-check-ipaddr.patch

@@ -0,0 +1,32 @@
+From 7f65521a9cee14ecd136f4caf44409b2acc86bdd Mon Sep 17 00:00:00 2001
+From: Teresa Ho <teresa.ho@windriver.com>
+Date: Wed, 25 Sep 2019 16:19:26 -0400
+Subject: [PATCH 1/1] Added ifup-alias-check-ipaddr.patch
+
+---
+ SPECS/initscripts.spec | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/SPECS/initscripts.spec b/SPECS/initscripts.spec
+index fc7115c..9309d03 100644
+--- a/SPECS/initscripts.spec
++++ b/SPECS/initscripts.spec
+@@ -49,6 +49,7 @@ Patch10: ipv6-static-route-support.patch
+ Patch11: ifup-eth-stop-waiting-if-link-is-up.patch
+ Patch12: run-dhclient-as-daemon-for-ipv6.patch
+ Patch13: ifup-alias-scope.patch
++Patch14: ifup-alias-check-ipaddr.patch
+ 
+ %description
+ The initscripts package contains basic system scripts used
+@@ -82,6 +83,7 @@ Currently, this consists of various memory checking code.
+ %patch11 -p1
+ %patch12 -p1
+ %patch13 -p1
++%patch14 -p1
+ 
+ %build
+ make
+-- 
+1.8.3.1
+

base/initscripts/centos/patches/ifup-alias-check-ipaddr.patch

@@ -0,0 +1,25 @@
+From a45766732beaa475d48907824666e501bacc69db Mon Sep 17 00:00:00 2001
+From: Teresa Ho <teresa.ho@windriver.com>
+Date: Wed, 25 Sep 2019 15:56:36 -0400
+Subject: [PATCH 1/1] Patch14: ifup-alias-check-ipaddr
+
+---
+ sysconfig/network-scripts/ifup-aliases | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/sysconfig/network-scripts/ifup-aliases b/sysconfig/network-scripts/ifup-aliases
+index 9086763..40454ed 100755
+--- a/sysconfig/network-scripts/ifup-aliases
++++ b/sysconfig/network-scripts/ifup-aliases
+@@ -175,7 +175,7 @@ function new_interface ()
+         ipseen_${IPGLOP}=$FILE; devseen_${DEVNUM}=$FILE;
+     ";
+ 
+-    if [ -n "$ipseen" ]; then
++    if [ -n "$IPADDR" -a -n "$ipseen" ]; then
+         net_log $"error in $FILE: already seen ipaddr $IPADDR in $ipseen"
+         return 1
+     fi
+-- 
+1.8.3.1
+