diff --git a/[refs] b/[refs]
index 4b2816a24f88..14686e58e377 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5cbfa3acdcbf19e1d29cf3479ad8200d2e644e44
+refs/heads/master: e2e2f0ea1c935edcf53feb4c4c8fdb4f86d57dd9
diff --git a/trunk/drivers/usb/core/devio.c b/trunk/drivers/usb/core/devio.c
index caefc800f298..c88c4fb9459d 100644
--- a/trunk/drivers/usb/core/devio.c
+++ b/trunk/drivers/usb/core/devio.c
@@ -1287,9 +1287,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			goto error;
 		}
 		for (totlen = u = 0; u < uurb->number_of_packets; u++) {
-			/* arbitrary limit,
-			 * sufficient for USB 2.0 high-bandwidth iso */
-			if (isopkt[u].length > 8192) {
+			/*
+			 * arbitrary limit need for USB 3.0
+			 * bMaxBurst (0~15 allowed, 1~16 packets)
+			 * bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
+			 * sizemax: 1024 * 16 * 3 = 49152
+			 */
+			if (isopkt[u].length > 49152) {
 				ret = -EINVAL;
 				goto error;
 			}