If we have no fields, don't try to iterate through them.

Otherwise glib throws an assertion since the array we pass it is NULL.

Change-Id: I9159c1f5ad99b280c040cd790df3cf352738601f
Reviewed-on: https://code.wireshark.org/review/2680
Reviewed-by: Evan Huus <eapache@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/epan/print.c b/epan/print.c
index f4eb8818e0..ed75265180 100644
--- a/epan/print.c
+++ b/epan/print.c
@@ -1450,6 +1450,10 @@ output_fields_valid(output_fields_t *fields)
 {
     gboolean all_valid = TRUE;
 
+    if (fields->fields == NULL) {
+        return TRUE;
+    }
+
     g_ptr_array_foreach(fields->fields, output_field_check, &all_valid);
 
     return all_valid;