From e605e6fa8bb4cd3bd7ef384a6f40c606140c57a6 Mon Sep 17 00:00:00 2001
From: aet <aet@c6295689-39f2-0310-b995-f0e70906c6a9>
Date: Sun, 24 Feb 2002 21:14:17 +0000
Subject: [PATCH] Fix segfault for pcsc_finish

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@224 c6295689-39f2-0310-b995-f0e70906c6a9
---
 src/libopensc/reader-pcsc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/libopensc/reader-pcsc.c b/src/libopensc/reader-pcsc.c
index d49e5f79..66e47960 100644
--- a/src/libopensc/reader-pcsc.c
+++ b/src/libopensc/reader-pcsc.c
@@ -357,9 +357,11 @@ static int pcsc_init(struct sc_context *ctx, void **reader_data)
 static int pcsc_finish(void *prv_data)
 {
 	struct pcsc_global_private_data *priv = (struct pcsc_global_private_data *) prv_data;
-	
-	SCardReleaseContext(priv->pcsc_ctx);
-	free(priv);
+
+	if (priv) {
+		SCardReleaseContext(priv->pcsc_ctx);
+		free(priv);
+	}
 	
 	return 0;
 }