Allow calling OPENSSL_INIT_free() with NULL argument

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/24681)

diff --git a/crypto/conf/conf_lib.c b/crypto/conf/conf_lib.c
index 99e9f8c987b3471b4e6470425846b96dc4be8f49..24cf40449788c9e696ff0074194962d71f2f5593 100644 (file)
--- a/crypto/conf/conf_lib.c
+++ b/crypto/conf/conf_lib.c
@@ -476,6 +476,9 @@ int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
 
 void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings)
 {
+    if (settings == NULL)
+        return;
+
     free(settings->filename);
     free(settings->appname);
     free(settings);