Index: uspace/drv/usbhid/generic/hiddev.c
===================================================================
--- uspace/drv/usbhid/generic/hiddev.c	(revision 310c4df529c9952b47aac9b498fcf8e46e2ba15d)
+++ uspace/drv/usbhid/generic/hiddev.c	(revision dd3eda27db56cd8ee7fffd204a1675b82853acfd)
@@ -39,4 +39,5 @@
 #include <errno.h>
 #include <str_error.h>
+#include <bool.h>
 
 #include <usbhid_iface.h>
@@ -64,4 +65,6 @@
     size_t size, size_t *act_size, unsigned int flags);
 
+static int usb_generic_hid_client_connected(ddf_fun_t *fun);
+
 /*----------------------------------------------------------------------------*/
 
@@ -72,5 +75,6 @@
 
 static ddf_dev_ops_t usb_generic_hid_ops = {
-	.interfaces[USBHID_DEV_IFACE] = &usb_generic_iface
+	.interfaces[USBHID_DEV_IFACE] = &usb_generic_iface,
+	.open = usb_generic_hid_client_connected
 };
 
@@ -104,10 +108,25 @@
 	
 	/*! @todo This should probably be atomic. */
-	memcpy(buffer, hid_dev->input_report, hid_dev->input_report_size);
-	*act_size = hid_dev->input_report_size;
+	if (usb_hid_report_ready()) {
+		memcpy(buffer, hid_dev->input_report, 
+		    hid_dev->input_report_size);
+		*act_size = hid_dev->input_report_size;
+		usb_hid_report_received();
+	}
 	
 	// clear the buffer so that it will not be received twice
-	memset(hid_dev->input_report, 0, hid_dev->input_report_size);
+	//memset(hid_dev->input_report, 0, hid_dev->input_report_size);
 	
+	// note that we already received this report
+//	report_received = true;
+	
+	return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+
+static int usb_generic_hid_client_connected(ddf_fun_t *fun)
+{
+	usb_hid_report_received();
 	return EOK;
 }
Index: uspace/drv/usbhid/usbhid.c
===================================================================
--- uspace/drv/usbhid/usbhid.c	(revision 310c4df529c9952b47aac9b498fcf8e46e2ba15d)
+++ uspace/drv/usbhid/usbhid.c	(revision dd3eda27db56cd8ee7fffd204a1675b82853acfd)
@@ -63,4 +63,6 @@
 static const int USB_HID_MAX_SUBDRIVERS = 10;
 
+static fibril_local bool report_received;
+
 /*----------------------------------------------------------------------------*/
 
@@ -509,4 +511,5 @@
 				free(input_old);
 			}
+			usb_hid_new_report();
 		}
 	}
@@ -589,4 +592,25 @@
 /*----------------------------------------------------------------------------*/
 
+void usb_hid_new_report(void)
+{
+	report_received = false;
+}
+
+/*----------------------------------------------------------------------------*/
+
+void usb_hid_report_received(void)
+{
+	report_received = true;
+}
+
+/*----------------------------------------------------------------------------*/
+
+bool usb_hid_report_ready(void)
+{
+	return !report_received;
+}
+
+/*----------------------------------------------------------------------------*/
+
 void usb_hid_free(usb_hid_dev_t **hid_dev)
 {
Index: uspace/drv/usbhid/usbhid.h
===================================================================
--- uspace/drv/usbhid/usbhid.h	(revision 310c4df529c9952b47aac9b498fcf8e46e2ba15d)
+++ uspace/drv/usbhid/usbhid.h	(revision dd3eda27db56cd8ee7fffd204a1675b82853acfd)
@@ -44,4 +44,5 @@
 #include <usb/devdrv.h>
 #include <usb/classes/hid.h>
+#include <bool.h>
 
 struct usb_hid_dev;
@@ -128,4 +129,10 @@
 //const char *usb_hid_get_class_name(const usb_hid_dev_t *hid_dev);
 
+void usb_hid_new_report(void);
+
+void usb_hid_report_received(void);
+
+bool usb_hid_report_ready(void);
+
 void usb_hid_free(usb_hid_dev_t **hid_dev);