From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 28 Feb 2025 15:02:45 +0000 (+0100)
Subject: pex: only respond to update requests when we have network data
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=28d86bd30e97c7be4d83763b016626c98f0b72d0;p=project%2Funetd.git

pex: only respond to update requests when we have network data

Avoids interfering with existing network update requests

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/pex.c b/pex.c
index cc374af..8fb9c3c 100644
--- a/pex.c
+++ b/pex.c
@@ -572,7 +572,7 @@ network_pex_recv_update_request(struct network *net, struct network_peer *peer,
 
 	D("receive update request, local version=%"PRIu64", remote version=%"PRIu64, net->net_data_version, req_version);
 
-	if (req_version >= net->net_data_version) {
+	if (req_version && req_version >= net->net_data_version) {
 		struct pex_update_response_no_data *res;
 
 		pex_msg_init_ext(net, PEX_MSG_UPDATE_RESPONSE_NO_DATA, !!addr);