From: Keith Burns (alagalah) <alagalah@gmail.com>
Date: Thu, 22 Feb 2018 11:23:40 +0000 (-0800)
Subject: VCL: Fix for vppcom_session_listen() q_len <= 0 crash
X-Git-Tag: v18.04-rc1~276
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=aba98ded5f552ae03704836acfecbd9db8872fed

VCL: Fix for vppcom_session_listen() q_len <= 0 crash

Change-Id: I089dd3855fc21b26a125ee392c7548d44b5732b8
Signed-off-by: Keith Burns (alagalah) <alagalah@gmail.com>
---

diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 6d11526276b..4b3581a664c 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -2682,6 +2682,9 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
   u64 listen_vpp_handle;
   int rv, retval;
 
+  if (q_len == 0 || q_len == ~0)
+    q_len = vcm->cfg.listen_queue_size;
+
   VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
 
   if (listen_session->is_vep)