s4:heimdal: import lorikeet-heimdal-200911122202 (commit 9291fd2d101f3eecec550178634f...

[samba.git] / source4 / heimdal / lib / hx509 / error.c

diff --git a/source4/heimdal/lib/hx509/error.c b/source4/heimdal/lib/hx509/error.c
index 45813efb38b15e931af287ac340e8569f23ff0ec..fc3cf90b3255849b6ebb71e2513fcc8631814099 100644 (file)
--- a/source4/heimdal/lib/hx509/error.c
+++ b/source4/heimdal/lib/hx509/error.c
@@ -67,8 +67,10 @@ free_error_string(hx509_error msg)
 void
 hx509_clear_error_string(hx509_context context)
 {
-    free_error_string(context->error);
-    context->error = NULL;
+    if (context) {
+       free_error_string(context->error);
+       context->error = NULL;
+    }
 }
 
 /**
@@ -91,6 +93,9 @@ hx509_set_error_stringv(hx509_context context, int flags, int code,
 {
     hx509_error msg;
 
+    if (context == NULL)
+       return;
+
     msg = calloc(1, sizeof(*msg));
     if (msg == NULL) {
        hx509_clear_error_string(context);