908 	struct f_midi_opts *opts = to_f_midi_opts(item);  in midi_attr_release()  local
910 	usb_put_function_instance(&opts->func_inst);  in midi_attr_release()
920 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
923 	mutex_lock(&opts->lock);					\
924 	result = sprintf(page, "%d\n", opts->name);			\
925 	mutex_unlock(&opts->lock);					\
933 	struct f_midi_opts *opts = to_f_midi_opts(item);		\
937 	mutex_lock(&opts->lock);					\
938 	if (opts->refcnt) {						\
951 	opts->name = num;						\
955 	mutex_unlock(&opts->lock);					\
969 	struct f_midi_opts *opts = to_f_midi_opts(item);  in f_midi_opts_id_show()  local
972 	mutex_lock(&opts->lock);  in f_midi_opts_id_show()
973 	if (opts->id) {  in f_midi_opts_id_show()
974 		result = strlcpy(page, opts->id, PAGE_SIZE);  in f_midi_opts_id_show()
980 	mutex_unlock(&opts->lock);  in f_midi_opts_id_show()
988 	struct f_midi_opts *opts = to_f_midi_opts(item);  in f_midi_opts_id_store()  local
992 	mutex_lock(&opts->lock);  in f_midi_opts_id_store()
993 	if (opts->refcnt) {  in f_midi_opts_id_store()
1003 	if (opts->id_allocated)  in f_midi_opts_id_store()
1004 		kfree(opts->id);  in f_midi_opts_id_store()
1005 	opts->id = c;  in f_midi_opts_id_store()
1006 	opts->id_allocated = true;  in f_midi_opts_id_store()
1009 	mutex_unlock(&opts->lock);  in f_midi_opts_id_store()
1033 	struct f_midi_opts *opts;  in f_midi_free_inst()  local
1035 	opts = container_of(f, struct f_midi_opts, func_inst);  in f_midi_free_inst()
1037 	if (opts->id_allocated)  in f_midi_free_inst()
1038 		kfree(opts->id);  in f_midi_free_inst()
1040 	kfree(opts);  in f_midi_free_inst()
1045 	struct f_midi_opts *opts;  in f_midi_alloc_inst()  local
1047 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in f_midi_alloc_inst()
1048 	if (!opts)  in f_midi_alloc_inst()
1051 	mutex_init(&opts->lock);  in f_midi_alloc_inst()
1052 	opts->func_inst.free_func_inst = f_midi_free_inst;  in f_midi_alloc_inst()
1053 	opts->index = SNDRV_DEFAULT_IDX1;  in f_midi_alloc_inst()
1054 	opts->id = SNDRV_DEFAULT_STR1;  in f_midi_alloc_inst()
1055 	opts->buflen = 256;  in f_midi_alloc_inst()
1056 	opts->qlen = 32;  in f_midi_alloc_inst()
1057 	opts->in_ports = 1;  in f_midi_alloc_inst()
1058 	opts->out_ports = 1;  in f_midi_alloc_inst()
1060 	config_group_init_type_name(&opts->func_inst.group, "",  in f_midi_alloc_inst()
1063 	return &opts->func_inst;  in f_midi_alloc_inst()
1069 	struct f_midi_opts *opts;  in f_midi_free()  local
1073 	opts = container_of(f->fi, struct f_midi_opts, func_inst);  in f_midi_free()
1075 	mutex_lock(&opts->lock);  in f_midi_free()
1076 	for (i = opts->in_ports - 1; i >= 0; --i)  in f_midi_free()
1079 	--opts->refcnt;  in f_midi_free()
1080 	mutex_unlock(&opts->lock);  in f_midi_free()
1105 	struct f_midi_opts *opts;  in f_midi_alloc()  local
1108 	opts = container_of(fi, struct f_midi_opts, func_inst);  in f_midi_alloc()
1110 	mutex_lock(&opts->lock);  in f_midi_alloc()
1112 	if (opts->in_ports > MAX_PORTS || opts->out_ports > MAX_PORTS) {  in f_midi_alloc()
1113 		mutex_unlock(&opts->lock);  in f_midi_alloc()
1120 		mutex_unlock(&opts->lock);  in f_midi_alloc()
1124 	for (i = 0; i < opts->in_ports; i++) {  in f_midi_alloc()
1129 			mutex_unlock(&opts->lock);  in f_midi_alloc()
1140 	midi->id = kstrdup(opts->id, GFP_KERNEL);  in f_midi_alloc()
1141 	if (opts->id && !midi->id) {  in f_midi_alloc()
1143 		mutex_unlock(&opts->lock);  in f_midi_alloc()
1146 	midi->in_ports = opts->in_ports;  in f_midi_alloc()
1147 	midi->out_ports = opts->out_ports;  in f_midi_alloc()
1148 	midi->index = opts->index;  in f_midi_alloc()
1149 	midi->buflen = opts->buflen;  in f_midi_alloc()
1150 	midi->qlen = opts->qlen;  in f_midi_alloc()
1151 	++opts->refcnt;  in f_midi_alloc()
1152 	mutex_unlock(&opts->lock);  in f_midi_alloc()