From: Swen Schillig <swen@vnet.ibm.com>
Date: Mon, 8 Jan 2018 13:10:40 +0000 (+0100)
Subject: ctdb-common: Return if packet size is zero
X-Git-Tag: tevent-0.9.36~262
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f9150c5fa0ac81a848dbb6978a73c10170648d5b;p=thirdparty%2Fsamba.git

ctdb-common: Return if packet size is zero

Prevent further processing of sock_queue_process
if the received packet size is zero.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
---

diff --git a/ctdb/common/sock_io.c b/ctdb/common/sock_io.c
index 3f7138f0b7f..8a0b9859d01 100644
--- a/ctdb/common/sock_io.c
+++ b/ctdb/common/sock_io.c
@@ -231,6 +231,7 @@ static void sock_queue_process(struct sock_queue *queue)
 	if (pkt_size == 0) {
 		D_ERR("Invalid packet of length 0\n");
 		queue->callback(NULL, 0, queue->private_data);
+		return;
 	}
 
 	if ((queue->end - queue->begin) < pkt_size) {