bgpd: Prevent null deref

There exists a path where we could possibly have a NULL deref
of a pointer.  Prevent this from happening.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

diff --git a/bgpd/bgp_nb_config.c b/bgpd/bgp_nb_config.c
index 6ee8b25b823aad7be31eb2e14b717d13a9547365..ec3b0c13a1fc0c6841f0fc4445cc5f2113c3f6a4 100644 (file)
--- a/bgpd/bgp_nb_config.c
+++ b/bgpd/bgp_nb_config.c
@@ -6292,7 +6292,11 @@ static struct peer *bgp_peer_group_peer_lookup(struct bgp *bgp,
        struct peer_group *group = NULL;
 
        group = peer_group_lookup(bgp, peer_str);
-       return group->conf;
+
+       if (group)
+               return group->conf;
+
+       return NULL;
 }
 
 /*