21 static int check_effect_access(struct ff_device *ff, int effect_id,  in check_effect_access()  argument
24 	if (effect_id < 0 || effect_id >= ff->max_effects ||  in check_effect_access()
25 	    !ff->effect_owners[effect_id])  in check_effect_access()
28 	if (file && ff->effect_owners[effect_id] != file)  in check_effect_access()
48 static int compat_effect(struct ff_device *ff, struct ff_effect *effect)  in compat_effect()  argument
54 		if (!test_bit(FF_PERIODIC, ff->ffbit))  in compat_effect()
92 	struct ff_device *ff = dev->ff;  in input_ff_upload()  local
114 	if (!test_bit(effect->type, ff->ffbit)) {  in input_ff_upload()
115 		ret = compat_effect(ff, effect);  in input_ff_upload()
120 	mutex_lock(&ff->mutex);  in input_ff_upload()
123 		for (id = 0; id < ff->max_effects; id++)  in input_ff_upload()
124 			if (!ff->effect_owners[id])  in input_ff_upload()
127 		if (id >= ff->max_effects) {  in input_ff_upload()
138 		ret = check_effect_access(ff, id, file);  in input_ff_upload()
142 		old = &ff->effects[id];  in input_ff_upload()
150 	ret = ff->upload(dev, effect, old);  in input_ff_upload()
155 	ff->effects[id] = *effect;  in input_ff_upload()
156 	ff->effect_owners[id] = file;  in input_ff_upload()
160 	mutex_unlock(&ff->mutex);  in input_ff_upload()
172 	struct ff_device *ff = dev->ff;  in erase_effect()  local
175 	error = check_effect_access(ff, effect_id, file);  in erase_effect()
180 	ff->playback(dev, effect_id, 0);  in erase_effect()
181 	ff->effect_owners[effect_id] = NULL;  in erase_effect()
184 	if (ff->erase) {  in erase_effect()
185 		error = ff->erase(dev, effect_id);  in erase_effect()
188 			ff->effect_owners[effect_id] = file;  in erase_effect()
210 	struct ff_device *ff = dev->ff;  in input_ff_erase()  local
216 	mutex_lock(&ff->mutex);  in input_ff_erase()
218 	mutex_unlock(&ff->mutex);  in input_ff_erase()
235 	struct ff_device *ff = dev->ff;  in input_ff_flush()  local
240 	mutex_lock(&ff->mutex);  in input_ff_flush()
242 	for (i = 0; i < ff->max_effects; i++)  in input_ff_flush()
245 	mutex_unlock(&ff->mutex);  in input_ff_flush()
261 	struct ff_device *ff = dev->ff;  in input_ff_event()  local
271 		ff->set_gain(dev, value);  in input_ff_event()
278 		ff->set_autocenter(dev, value);  in input_ff_event()
282 		if (check_effect_access(ff, code, NULL) == 0)  in input_ff_event()
283 			ff->playback(dev, code, value);  in input_ff_event()
304 	struct ff_device *ff;  in input_ff_create()  local
323 	ff = kzalloc(ff_dev_size, GFP_KERNEL);  in input_ff_create()
324 	if (!ff)  in input_ff_create()
327 	ff->effects = kcalloc(max_effects, sizeof(struct ff_effect),  in input_ff_create()
329 	if (!ff->effects) {  in input_ff_create()
330 		kfree(ff);  in input_ff_create()
334 	ff->max_effects = max_effects;  in input_ff_create()
335 	mutex_init(&ff->mutex);  in input_ff_create()
337 	dev->ff = ff;  in input_ff_create()
344 		__set_bit(i, ff->ffbit);  in input_ff_create()
347 	if (test_bit(FF_PERIODIC, ff->ffbit))  in input_ff_create()
364 	struct ff_device *ff = dev->ff;  in input_ff_destroy()  local
367 	if (ff) {  in input_ff_destroy()
368 		if (ff->destroy)  in input_ff_destroy()
369 			ff->destroy(ff);  in input_ff_destroy()
370 		kfree(ff->private);  in input_ff_destroy()
371 		kfree(ff->effects);  in input_ff_destroy()
372 		kfree(ff);  in input_ff_destroy()
373 		dev->ff = NULL;  in input_ff_destroy()