gadget/function/f_hid.c

1049 	struct f_hid_opts *opts = to_f_hid_opts(item);
1051 	usb_put_function_instance(&opts->func_inst);
1061 	struct f_hid_opts *opts = to_f_hid_opts(item);			\
1064 	mutex_lock(&opts->lock);					\
1065 	result = sprintf(page, "%d\n", opts->name);			\
1066 	mutex_unlock(&opts->lock);					\
1074 	struct f_hid_opts *opts = to_f_hid_opts(item);			\
1078 	mutex_lock(&opts->lock);					\
1079 	if (opts->refcnt) {						\
1092 	opts->name = num;						\
1096 	mutex_unlock(&opts->lock);					\
1109 	struct f_hid_opts *opts = to_f_hid_opts(item);
1112 	mutex_lock(&opts->lock);
1113 	result = opts->report_desc_length;
1114 	memcpy(page, opts->report_desc, opts->report_desc_length);
1115 	mutex_unlock(&opts->lock);
1123 	struct f_hid_opts *opts = to_f_hid_opts(item);
1127 	mutex_lock(&opts->lock);
1129 	if (opts->refcnt)
1140 	kfree(opts->report_desc);
1141 	opts->report_desc = d;
1142 	opts->report_desc_length = len;
1143 	opts->report_desc_alloc = true;
1146 	mutex_unlock(&opts->lock);
1154 	struct f_hid_opts *opts = to_f_hid_opts(item);
1156 	return sprintf(page, "%d:%d\n", major, opts->minor);
1184 	struct f_hid_opts *opts;
1186 	opts = container_of(f, struct f_hid_opts, func_inst);
1190 	hidg_put_minor(opts->minor);
1196 	if (opts->report_desc_alloc)
1197 		kfree(opts->report_desc);
1199 	kfree(opts);
1204 	struct f_hid_opts *opts;
1208 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
1209 	if (!opts)
1211 	mutex_init(&opts->lock);
1212 	opts->func_inst.free_func_inst = hidg_free_inst;
1213 	ret = &opts->func_inst;
1221 			kfree(opts);
1226 	opts->minor = hidg_get_minor();
1227 	if (opts->minor < 0) {
1228 		ret = ERR_PTR(opts->minor);
1229 		kfree(opts);
1234 	config_group_init_type_name(&opts->func_inst.group, "", &hid_func_type);
1244 	struct f_hid_opts *opts;
1247 	opts = container_of(f->fi, struct f_hid_opts, func_inst);
1249 	mutex_lock(&opts->lock);
1250 	--opts->refcnt;
1251 	mutex_unlock(&opts->lock);
1266 	struct f_hid_opts *opts;
1274 	opts = container_of(fi, struct f_hid_opts, func_inst);
1276 	mutex_lock(&opts->lock);
1281 	hidg->dev.devt = MKDEV(major, opts->minor);
1282 	ret = dev_set_name(&hidg->dev, "hidg%d", opts->minor);
1286 	hidg->bInterfaceSubClass = opts->subclass;
1287 	hidg->bInterfaceProtocol = opts->protocol;
1288 	hidg->report_length = opts->report_length;
1289 	hidg->report_desc_length = opts->report_desc_length;
1290 	if (opts->report_desc) {
1291 		hidg->report_desc = kmemdup(opts->report_desc,
1292 					    opts->report_desc_length,
1299 	hidg->use_out_ep = !opts->no_out_endpoint;
1301 	++opts->refcnt;
1302 	mutex_unlock(&opts->lock);
1320 	mutex_unlock(&opts->lock);