717 	struct f_hid_opts *opts = to_f_hid_opts(item);  in hid_attr_release()  local
719 	usb_put_function_instance(&opts->func_inst);  in hid_attr_release()
729 static ssize_t f_hid_opts_##name##_show(struct f_hid_opts *opts, char *page)\
733 	mutex_lock(&opts->lock);					\
734 	result = sprintf(page, "%d\n", opts->name);			\
735 	mutex_unlock(&opts->lock);					\
740 static ssize_t f_hid_opts_##name##_store(struct f_hid_opts *opts,	\
746 	mutex_lock(&opts->lock);					\
747 	if (opts->refcnt) {						\
760 	opts->name = num;						\
764 	mutex_unlock(&opts->lock);					\
776 static ssize_t f_hid_opts_report_desc_show(struct f_hid_opts *opts, char *page)  in f_hid_opts_report_desc_show()  argument
780 	mutex_lock(&opts->lock);  in f_hid_opts_report_desc_show()
781 	result = opts->report_desc_length;  in f_hid_opts_report_desc_show()
782 	memcpy(page, opts->report_desc, opts->report_desc_length);  in f_hid_opts_report_desc_show()
783 	mutex_unlock(&opts->lock);  in f_hid_opts_report_desc_show()
788 static ssize_t f_hid_opts_report_desc_store(struct f_hid_opts *opts,  in f_hid_opts_report_desc_store()  argument
794 	mutex_lock(&opts->lock);  in f_hid_opts_report_desc_store()
796 	if (opts->refcnt)  in f_hid_opts_report_desc_store()
807 	kfree(opts->report_desc);  in f_hid_opts_report_desc_store()
808 	opts->report_desc = d;  in f_hid_opts_report_desc_store()
809 	opts->report_desc_length = len;  in f_hid_opts_report_desc_store()
810 	opts->report_desc_alloc = true;  in f_hid_opts_report_desc_store()
813 	mutex_unlock(&opts->lock);  in f_hid_opts_report_desc_store()
843 	struct f_hid_opts *opts;  in hidg_free_inst()  local
845 	opts = container_of(f, struct f_hid_opts, func_inst);  in hidg_free_inst()
849 	hidg_put_minor(opts->minor);  in hidg_free_inst()
855 	if (opts->report_desc_alloc)  in hidg_free_inst()
856 		kfree(opts->report_desc);  in hidg_free_inst()
858 	kfree(opts);  in hidg_free_inst()
863 	struct f_hid_opts *opts;  in hidg_alloc_inst()  local
867 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);  in hidg_alloc_inst()
868 	if (!opts)  in hidg_alloc_inst()
870 	mutex_init(&opts->lock);  in hidg_alloc_inst()
871 	opts->func_inst.free_func_inst = hidg_free_inst;  in hidg_alloc_inst()
872 	ret = &opts->func_inst;  in hidg_alloc_inst()
880 			kfree(opts);  in hidg_alloc_inst()
885 	opts->minor = hidg_get_minor();  in hidg_alloc_inst()
886 	if (opts->minor < 0) {  in hidg_alloc_inst()
887 		ret = ERR_PTR(opts->minor);  in hidg_alloc_inst()
888 		kfree(opts);  in hidg_alloc_inst()
893 	config_group_init_type_name(&opts->func_inst.group, "", &hid_func_type);  in hidg_alloc_inst()
903 	struct f_hid_opts *opts;  in hidg_free()  local
906 	opts = container_of(f->fi, struct f_hid_opts, func_inst);  in hidg_free()
909 	mutex_lock(&opts->lock);  in hidg_free()
910 	--opts->refcnt;  in hidg_free()
911 	mutex_unlock(&opts->lock);  in hidg_free()
932 	struct f_hid_opts *opts;  in hidg_alloc()  local
939 	opts = container_of(fi, struct f_hid_opts, func_inst);  in hidg_alloc()
941 	mutex_lock(&opts->lock);  in hidg_alloc()
942 	++opts->refcnt;  in hidg_alloc()
944 	hidg->minor = opts->minor;  in hidg_alloc()
945 	hidg->bInterfaceSubClass = opts->subclass;  in hidg_alloc()
946 	hidg->bInterfaceProtocol = opts->protocol;  in hidg_alloc()
947 	hidg->report_length = opts->report_length;  in hidg_alloc()
948 	hidg->report_desc_length = opts->report_desc_length;  in hidg_alloc()
949 	if (opts->report_desc) {  in hidg_alloc()
950 		hidg->report_desc = kmemdup(opts->report_desc,  in hidg_alloc()
951 					    opts->report_desc_length,  in hidg_alloc()
955 			mutex_unlock(&opts->lock);  in hidg_alloc()
960 	mutex_unlock(&opts->lock);  in hidg_alloc()