vadumpcaps: handle drivers that don't return any drm format modifiers

The AMD vaapi driver is one particular example. Fixes fhvwy#4.
philipl · Sep 23, 2022 · f3ce0dc · f3ce0dc
1 parent 792c27f
commit f3ce0dc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/vadumpcaps.c b/vadumpcaps.c
@@ -1124,8 +1124,9 @@ static void dump_surface_attributes(VADisplay display,
                     const VADRMFormatModifierList *fml =
                         attr_list[i].value.value.p;
                     start_array("drm_format_modifiers");
-                    for (int j = 0; j < fml->num_modifiers; j++)
-                        print_integer(NULL, fml->modifiers[j]);
+                    if (fml)
+                        for (int j = 0; j < fml->num_modifiers; j++)
+                            print_integer(NULL, fml->modifiers[j]);
                     end_array();
                 }
                 break;