http://bugs.gentoo.org/show_bug.cgi?id=318937
http://boxster.ghz.cc/projects/nut/changeset/2407

Index: /trunk/drivers/libhid.c
===================================================================
--- /trunk/drivers/libhid.c (revision 2336)
+++ /trunk/drivers/libhid.c (revision 2407)
@@ -142,5 +142,5 @@
 	int	id = pData->ReportID;
 	int	r;
-	unsigned char	buf[SMALLBUF];
+	unsigned char	buf[8];	/* Maximum size for low-speed USB devices */
 
 	if (rbuf->ts[id] + age > time(NULL)) {
@@ -470,5 +470,5 @@
 int HIDGetEvents(hid_dev_handle_t udev, HIDData_t **event, int eventsize)
 {
-	unsigned char	buf[SMALLBUF];
+	unsigned char	buf[8];	/* Maximum size for low-speed USB devices */
 	int		itemCount = 0;
 	int		buflen, r, i;