From: Donald Sharp <sharpd@nvidia.com>
Date: Mon, 4 Jan 2021 12:56:47 +0000 (-0500)
Subject: bgpd: Prevent null deref
X-Git-Tag: base_7.6~93^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=refs%2Fpull%2F7809%2Fhead;p=mirror%2Ffrr.git

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 6ee8b25b82..ec3b0c13a1 100644
--- 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;
 }
 
 /*