From: Donatas Abraitis <donatas.abraitis@gmail.com>
Date: Thu, 5 Nov 2020 20:00:39 +0000 (+0200)
Subject: bgpd: Check if peer is not NULL before calling peer_as_change()
X-Git-Tag: base_7.6~251^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=7a68370285ed4d64e1ed9dcab60b17bfb26a0ba4;p=mirror%2Ffrr.git

bgpd: Check if peer is not NULL before calling peer_as_change()

Prevents NULL possible dereference.

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
---

diff --git a/bgpd/bgp_nb_config.c b/bgpd/bgp_nb_config.c
index eca7093fcd..8eaedf4e0e 100644
--- a/bgpd/bgp_nb_config.c
+++ b/bgpd/bgp_nb_config.c
@@ -5214,7 +5214,8 @@ int bgp_neighbors_unnumbered_neighbor_neighbor_remote_as_remote_as_type_destroy(
 		peer = peer_lookup_by_conf_if(bgp, peer_str);
 
 		/* remote-as set to 0 and as_type to unspecified */
-		peer_as_change(peer, 0, AS_UNSPECIFIED);
+		if (peer)
+			peer_as_change(peer, 0, AS_UNSPECIFIED);
 
 		break;
 	}