Update Buildroot from 17.02.4 -> 17.02.5

bsp/buildroot/package/systemd/0001-resolved-bugfix-of-null-pointer-p-question-dereferencing.patch

@@ -0,0 +1,28 @@
+From a924f43f30f9c4acaf70618dd2a055f8b0f166be Mon Sep 17 00:00:00 2001
+From: Evgeny Vereshchagin <evvers@ya.ru>
+Date: Wed, 24 May 2017 08:56:48 +0300
+Subject: [PATCH] resolved: bugfix of null pointer p->question dereferencing
+ (#6020)
+
+See https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1621396
+
+[Upstream commit: https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be]
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ src/resolve/resolved-dns-packet.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
+index 652970284e..240ee448f4 100644
+--- a/src/resolve/resolved-dns-packet.c
++++ b/src/resolve/resolved-dns-packet.c
+@@ -2269,6 +2269,9 @@ int dns_packet_is_reply_for(DnsPacket *p, const DnsResourceKey *key) {
+         if (r < 0)
+                 return r;
+ 
++        if (!p->question)
++                return 0;
++
+         if (p->question->n_keys != 1)
+                 return 0;
+