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 3f7138f0b7f59ec2cdb7b2668d239389819b5018..8a0b9859d01d92af65248a71d668b05731b35f55 100644 (file)
--- 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) {