pex-msg: ignore no-data responses if version is zero

These messages must not be allowed to cancel existing requests

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

1 files changed, 1 insertions, 1 deletions

diff --git a/pex-msg.c b/pex-msg.c
index b45eda0..fef5505 100644
--- a/pex-msg.c
+++ b/pex-msg.c
@@ -513,7 +513,7 @@ void *pex_msg_update_response_recv(const void *data, int len, enum pex_opcode op
 	} else if (op == PEX_MSG_UPDATE_RESPONSE_NO_DATA) {
 		const struct pex_update_response_no_data *res = data;
 
-		if (len < sizeof(*res))
+		if (len < sizeof(*res) || !res->cur_version)
 			return NULL;
 
 		ctx = pex_msg_update_recv_ctx_get(res->req_id);