X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=blobdiff_plain;f=net%2Fipv4%2Ficmp.c;h=752e392083e64105b836d0e16eba6bca2f1fa50b;hp=7b6931a4d7755c7c538bdc11e3dbb5a0f49b0324;hb=ce09673636f9581d2e2e24af785c463c030a1fd8;hpb=07db05638aa25ed66e6fc89b45f6773ef3e69396

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 7b6931a4d775..752e392083e6 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -759,6 +759,13 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
 		icmp_param.data_len = room;
 	icmp_param.head_len = sizeof(struct icmphdr);
 
+	/* if we don't have a source address at this point, fall back to the
+	 * dummy address instead of sending out a packet with a source address
+	 * of 0.0.0.0
+	 */
+	if (!fl4.saddr)
+		fl4.saddr = htonl(INADDR_DUMMY);
+
 	icmp_push_reply(&icmp_param, &fl4, &ipc, &rt);
 ende:
 	ip_rt_put(rt);