From: Roy Marples <roy@marples.name>
Date: Sun, 11 Dec 2011 21:14:49 +0000 (+0000)
Subject: If an address is whipped out after adding it by something else,
X-Git-Tag: v5.5.0~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b44ab74adbd63f4ec44e3d75440979ca1baa634;p=thirdparty%2Fdhcpcd.git

If an address is whipped out after adding it by something else,
don't crash.
---

diff --git a/arp.c b/arp.c
index 907ac113..1905508e 100644
--- a/arp.c
+++ b/arp.c
@@ -204,6 +204,8 @@ send_arp_announce(void *arg)
 	struct if_state *state = iface->state;
 	struct timeval tv;
 
+	if (state->new == NULL)
+		return;
 	if (iface->arp_fd == -1) {
 		open_socket(iface, ETHERTYPE_ARP);
 		add_event(iface->arp_fd, handle_arp_packet, iface);