[oe-commits] [openembedded-core] 10/19: busybox: Backport patch to fix zcip false-conflict

[git at git.openembedded.org]

rpurdie pushed a commit to branch fido
in repository openembedded-core.

commit 37f074eed40ec0e100066eeef16ff8af555e3301
Author: Brad Mouring <brad.mouring at ni.com>
AuthorDate: Fri Mar 25 21:20:05 2016 -0500

    busybox: Backport patch to fix zcip false-conflict
    
    Busybox upstream fixed the issue where an incorrect comparison of
    addresses led to bogus renegotiation of a new ll ip in 1.24. Backport
    this change to 1.23.1.
    
    Signed-off-by: Brad Mouring <brad.mouring at ni.com>
    Signed-off-by: Joshua Lock <joshua.g.lock at intel.com>
---
 ...wrong-comparison-of-source-IP-with-our-IP.patch | 34 ++++++++++++++++++++++
 meta/recipes-core/busybox/busybox_1.23.1.bb        |  1 +
 2 files changed, 35 insertions(+)

diff --git a/meta/recipes-core/busybox/busybox/0001-zcip-fix-wrong-comparison-of-source-IP-with-our-IP.patch b/meta/recipes-core/busybox/busybox/0001-zcip-fix-wrong-comparison-of-source-IP-with-our-IP.patch
new file mode 100644
index 0000000..83bd114
--- /dev/null
+++ b/meta/recipes-core/busybox/busybox/0001-zcip-fix-wrong-comparison-of-source-IP-with-our-IP.patch
@@ -0,0 +1,34 @@
+From 4d15068d83054a9f82b3f8842706cd6deb401e25 Mon Sep 17 00:00:00 2001
+From: Vladislav Grishenko <themiron at mail.ru>
+Date: Thu, 19 Mar 2015 16:19:35 +0500
+Subject: [PATCH] zcip: fix wrong comparison of source IP with our IP
+
+Commit "zcip: fix link-local IP conflict detection" has introduced
+wrong comparsion of source IP with our IP. This leads to a new IP
+being picked unnecessarily on every incoming ARP packet.
+
+Signed-off-by: Vladislav Grishenko <themiron at mail.ru>
+Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
+Signed-off-by: Brad Mouring <brad.mouring at ni.com>
+
+Upstream-Status: Backport (4d15068, added in 1.24)
+---
+ networking/zcip.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/networking/zcip.c b/networking/zcip.c
+index a3307c5..962ba2e 100644
+--- a/networking/zcip.c
++++ b/networking/zcip.c
+@@ -521,7 +521,7 @@ int zcip_main(int argc UNUSED_PARAM, char **argv)
+ 			target_ip_conflict = 0;
+ 
+ 			if (memcmp(&p.arp.arp_sha, &eth_addr, ETH_ALEN) != 0) {
+-				if (memcmp(p.arp.arp_spa, &ip.s_addr, sizeof(struct in_addr))) {
++				if (memcmp(p.arp.arp_spa, &ip.s_addr, sizeof(struct in_addr)) == 0) {
+ 					/* A probe or reply with source_ip == chosen ip */
+ 					source_ip_conflict = 1;
+ 				}
+-- 
+2.7.3
+
diff --git a/meta/recipes-core/busybox/busybox_1.23.1.bb b/meta/recipes-core/busybox/busybox_1.23.1.bb
index 7c3ed84..2360fa9 100644
--- a/meta/recipes-core/busybox/busybox_1.23.1.bb
+++ b/meta/recipes-core/busybox/busybox_1.23.1.bb
@@ -30,6 +30,7 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://login-utilities.cfg \
            file://recognize_connmand.patch \
            file://busybox-cross-menuconfig.patch \
+           file://0001-zcip-fix-wrong-comparison-of-source-IP-with-our-IP.patch \
 "
 
 SRC_URI[tarball.md5sum] = "5c94d6301a964cd91619bd4d74605245"

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