hx509: hx509_context_free(&null_var) should work

2019-07-12 13:37:26 -05:00
parent 41fcafd20c
commit eaebb892b8
1 changed files with 3 additions and 0 deletions
--- a/lib/hx509/cert.c
+++ b/lib/hx509/cert.c
@@ -178,6 +178,9 @@ hx509_context_set_missing_revoke(hx509_context context, int flag)
 HX509_LIB_FUNCTION void HX509_LIB_CALL
 hx509_context_free(hx509_context *context)
 {
+    if (!*context)
+        return;
+
    hx509_clear_error_string(*context);
    if ((*context)->ks_ops) {
 	free((*context)->ks_ops);