From 11c8116dd78148bb54b426e82f8c870e069050b3 Mon Sep 17 00:00:00 2001
From: Max <msuraev@sysmocom.de>
Date: Thu, 27 Oct 2022 17:29:39 +0300
Subject: [PATCH] SMPP: fix possible NULL pointer dereference

Related: OS#5568
Change-Id: I875eb5249004d3a960aee46c5099592d18fcaa76
---
 src/libsmpputil/smpp_smsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsmpputil/smpp_smsc.c b/src/libsmpputil/smpp_smsc.c
index 059915d04..0ee5b62d8 100644
--- a/src/libsmpputil/smpp_smsc.c
+++ b/src/libsmpputil/smpp_smsc.c
@@ -163,8 +163,8 @@ void smpp_acl_delete(struct osmo_smpp_acl *acl)
 		osmo_fd_unregister(&esme->wqueue.bfd);
 		close(esme->wqueue.bfd.fd);
 		esme->wqueue.bfd.fd = -1;
-		acl->esme = NULL;
 		smpp_esme_put(acl->esme);
+		acl->esme = NULL;
 	}
 
 	/* delete all routes for this ACL */