From: G. Paul Ziemba <paulz@labn.net>
Date: Sun, 11 Feb 2018 16:13:12 +0000 (-0800)
Subject: bgpd: rfapi: avoid null pointer dereference in vnc_export_bgp_disable if rfapi is... 
X-Git-Tag: frr-5.0-dev~153^2~15
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=b8e031e542a084a97a63bdde7b1e4625e1b69c08;p=matthieu%2Ffrr.git

bgpd: rfapi: avoid null pointer dereference in vnc_export_bgp_disable if rfapi is not provisioned

Signed-off-by: G. Paul Ziemba <paulz@labn.net>
---

diff --git a/bgpd/rfapi/vnc_export_bgp.c b/bgpd/rfapi/vnc_export_bgp.c
index c4d66bbc65..ae31c3fe9e 100644
--- a/bgpd/rfapi/vnc_export_bgp.c
+++ b/bgpd/rfapi/vnc_export_bgp.c
@@ -2049,6 +2049,9 @@ void vnc_direct_bgp_rh_reexport(struct bgp *bgp, afi_t afi)
  */
 void vnc_export_bgp_enable(struct bgp *bgp, afi_t afi)
 {
+	if (!bgp->rfapi_cfg)
+		return;
+
 	switch (bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS) {
 	case BGP_VNC_CONFIG_EXPORT_BGP_MODE_NONE:
 		break;
@@ -2069,6 +2072,9 @@ void vnc_export_bgp_enable(struct bgp *bgp, afi_t afi)
 
 void vnc_export_bgp_disable(struct bgp *bgp, afi_t afi)
 {
+	if (!bgp->rfapi_cfg)
+		return;
+
 	switch (bgp->rfapi_cfg->flags & BGP_VNC_CONFIG_EXPORT_BGP_MODE_BITS) {
 	case BGP_VNC_CONFIG_EXPORT_BGP_MODE_NONE:
 		break;