From 2fecb3feed119c60a367f399a1718a3d859f04a3 Mon Sep 17 00:00:00 2001 From: mpi Date: Sun, 11 Jan 2015 15:41:16 +0000 Subject: [PATCH] There's no simple way so check for DMA buffer overrun with isochronous transfers, so skip the check for such xfers for the moment. Issue reported by Ingo Feinerer and fix confirmed by Jan Stary. --- sys/dev/usb/usbdi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/usb/usbdi.c b/sys/dev/usb/usbdi.c index 53b9240c4cf..7db61f201c0 100644 --- a/sys/dev/usb/usbdi.c +++ b/sys/dev/usb/usbdi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: usbdi.c,v 1.77 2015/01/09 12:15:48 mpi Exp $ */ +/* $OpenBSD: usbdi.c,v 1.78 2015/01/11 15:41:16 mpi Exp $ */ /* $NetBSD: usbdi.c,v 1.103 2002/09/27 15:37:38 provos Exp $ */ /* $FreeBSD: src/sys/dev/usb/usbdi.c,v 1.28 1999/11/17 22:33:49 n_hibma Exp $ */ @@ -732,7 +732,7 @@ usb_transfer_complete(struct usbd_xfer *xfer) pipe->running = 0; #ifdef DIAGNOSTIC - if (xfer->actlen > xfer->length) { + if (xfer->actlen > xfer->length && xfer->length != 0) { printf("%s: actlen > len %u > %u\n", __func__, xfer->actlen, xfer->length); xfer->actlen = xfer->length; -- 2.20.1