3 files changed, 7 insertions, 1 deletions

diff --git a/firmware/usbstack/usb_core.c b/firmware/usbstack/usb_core.c
index 72900d830f..ea5d6590f6 100644
--- a/firmware/usbstack/usb_core.c
+++ b/firmware/usbstack/usb_core.c
@@ -187,7 +187,7 @@ static struct usb_class_driver drivers[USB_NUM_DRIVERS] =
         .get_config_descriptor = usb_storage_get_config_descriptor,
         .init_connection = usb_storage_init_connection,
         .init = usb_storage_init,
-        .disconnect = NULL,
+        .disconnect = usb_storage_disconnect,
         .transfer_complete = usb_storage_transfer_complete,
         .control_request = usb_storage_control_request,
 #ifdef HAVE_HOTSWAP
diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c
index 5e97796db0..475bd4c00a 100644
--- a/firmware/usbstack/usb_storage.c
+++ b/firmware/usbstack/usb_storage.c
@@ -418,6 +418,11 @@ void usb_storage_init_connection(void)
     usb_drv_recv(ep_out, tb.transfer_buffer, 1024);
 }
 
+void usb_storage_disconnect(void)
+{
+    /* Empty for now */
+}
+
 /* called by usb_core_transfer_complete() */
 void usb_storage_transfer_complete(int ep,int dir,int status,int length)
 {
diff --git a/firmware/usbstack/usb_storage.h b/firmware/usbstack/usb_storage.h
index 4c89039bfd..8344419770 100644
--- a/firmware/usbstack/usb_storage.h
+++ b/firmware/usbstack/usb_storage.h
@@ -27,6 +27,7 @@ int usb_storage_request_endpoints(struct usb_class_driver *);
 int usb_storage_set_first_interface(int interface);
 int usb_storage_get_config_descriptor(unsigned char *dest,int max_packet_size);
 void usb_storage_init_connection(void);
+void usb_storage_disconnect(void);
 void usb_storage_init(void);
 void usb_storage_transfer_complete(int ep,int dir,int state,int length);
 bool usb_storage_control_request(struct usb_ctrlrequest* req);