diff --git a/[refs] b/[refs]
index dd7295e48933..9fa533ddf000 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 02f824ac75d1c861aae59be5d6d739043c2066e7
+refs/heads/master: 2102e06a5f2e414694921f23591f072a5ba7db9f
diff --git a/trunk/drivers/usb/core/devio.c b/trunk/drivers/usb/core/devio.c
index e0f107948eba..62679bc031fb 100644
--- a/trunk/drivers/usb/core/devio.c
+++ b/trunk/drivers/usb/core/devio.c
@@ -1604,10 +1604,14 @@ static int processcompl_compat(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer && urb->actual_length)
-		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->actual_length))
+	if (as->userbuffer && urb->actual_length) {
+		if (urb->number_of_packets > 0)		/* Isochronous */
+			i = urb->transfer_buffer_length;
+		else					/* Non-Isoc */
+			i = urb->actual_length;
+		if (copy_to_user(as->userbuffer, urb->transfer_buffer, i))
 			return -EFAULT;
+	}
 	if (put_user(as->status, &userurb->status))
 		return -EFAULT;
 	if (put_user(urb->actual_length, &userurb->actual_length))