diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index a1add776e89a6bef5c21a51970c123cb795e94c8..71514be8b71531a1596269bd6156809bd4133559 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1091,7 +1091,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			}
 			totlen += isopkt[u].length;
 		}
-		if (totlen > 32768) {
+		/* 3072 * 64 microframes */
+		if (totlen > 196608) {
 			kfree(isopkt);
 			return -EINVAL;
 		}