From 39bd1ddd58dda4d09ba69d712f51293adbe30b9f Mon Sep 17 00:00:00 2001
From: Frank Morgner <frankmorgner@gmail.com>
Date: Tue, 4 Sep 2018 13:51:40 +0200
Subject: [PATCH] fixed wrong condition

fixes https://github.com/OpenSC/OpenSC/issues/1465
---
 src/libopensc/sc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libopensc/sc.c b/src/libopensc/sc.c
index 53fefb3e..ea634100 100644
--- a/src/libopensc/sc.c
+++ b/src/libopensc/sc.c
@@ -628,7 +628,7 @@ int sc_file_set_sec_attr(sc_file_t *file, const u8 *sec_attr,
 		return SC_ERROR_INVALID_ARGUMENTS;
 	}
 
-	if (sec_attr == NULL || sec_attr_len) {
+	if (sec_attr == NULL || sec_attr_len == 0) {
 		if (file->sec_attr != NULL)
 			free(file->sec_attr);
 		file->sec_attr = NULL;