usb: musb: fix bug in musb_schedule

This bug was introduced recently. Fix it before bigger
problems appear.

Signed-off-by: Felipe Balbi <[e-mail]>
Cc: Sergei Shtylyov <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/musb/musb_host.c

···
 		}
 	}
 	/* use bulk reserved ep1 if no other ep is free */
-	if (best_end > 0 && qh->type == USB_ENDPOINT_XFER_BULK) {
+	if (best_end < 0 && qh->type == USB_ENDPOINT_XFER_BULK) {
 		hw_ep = musb->bulk_ep;
 		if (is_in)
 			head = &musb->in_bulk;