From cab764bb63ed47d4f63f25addbada2fa3a8fd3c4 Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Tue, 28 Nov 2017 20:37:01 +0100
Subject: [PATCH] check for NULL pointer

---
 libs/netpgp/src/writer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libs/netpgp/src/writer.c b/libs/netpgp/src/writer.c
index a0407f87..2ac55f9a 100644
--- a/libs/netpgp/src/writer.c
+++ b/libs/netpgp/src/writer.c
@@ -1183,9 +1183,11 @@ encrypt_se_ip_destroyer(pgp_writer_t *writer)
 
 	se_ip = pgp_writer_get_arg(writer);
 
-	se_ip->crypt->decrypt_finish(se_ip->crypt); // EDIT BY MR - fix memory leak
+	if( se_ip->crypt ) {
+		se_ip->crypt->decrypt_finish(se_ip->crypt); // EDIT BY MR - fix memory leak
+		free(se_ip->crypt);
+	}
 
-	free(se_ip->crypt);
 	free(se_ip);
 }