From 9d49aa0769a8756e0e48aa0d04e66bd7a2314479 Mon Sep 17 00:00:00 2001
From: okir <okir@c6295689-39f2-0310-b995-f0e70906c6a9>
Date: Tue, 20 Jan 2004 11:21:40 +0000
Subject: [PATCH] - fix crash with pkcs11 module and token disconnect

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@1740 c6295689-39f2-0310-b995-f0e70906c6a9
---
 src/libopensc/reader-openct.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libopensc/reader-openct.c b/src/libopensc/reader-openct.c
index 7e3f00e0..47029dcf 100644
--- a/src/libopensc/reader-openct.c
+++ b/src/libopensc/reader-openct.c
@@ -399,6 +399,10 @@ openct_reader_unlock(struct sc_reader *reader,
 
 	SC_FUNC_CALLED(reader->ctx, 1);
 
+	/* Not connected */
+	if (data->h == NULL)
+		return 0;
+
 	rc = ct_card_unlock(data->h, slot->id, slot_data->excl_lock);
 
 	/* We couldn't care less */