- int is_update;
-
-/* Check this effect type is supported by this device */
- if (!test_bit(effect->type, iforce->dev.ffbit))
- return -EINVAL;
-
-/*
- * If we want to create a new effect, get a free id
- */
- if (effect->id == -1) {
-
- for (id=0; id < FF_EFFECTS_MAX; ++id)
- if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags)) break;
-
- if ( id == FF_EFFECTS_MAX || id >= iforce->dev.ff_effects_max)
- return -ENOMEM;
-
- effect->id = id;
- iforce->core_effects[id].owner = current->pid;
- iforce->core_effects[id].flags[0] = (1<<FF_CORE_IS_USED); /* Only IS_USED bit must be set */
-
- is_update = FALSE;
- }
- else {
- /* We want to update an effect */
- if (!CHECK_OWNERSHIP(effect->id, iforce)) return -EACCES;
-
- /* Parameter type cannot be updated */
- if (effect->type != iforce->core_effects[effect->id].effect.type)
- return -EINVAL;