svn commit: r198644 - in stable/8/sys: . amd64/include/xen
cddl/contrib/opensolaris contrib/dev/acpica contrib/pf
dev/usb dev/xen/xenpci
Andrew Thompson
thompsa at FreeBSD.org
Thu Oct 29 23:17:24 UTC 2009
Author: thompsa
Date: Thu Oct 29 23:17:23 2009
New Revision: 198644
URL: http://svn.freebsd.org/changeset/base/198644
Log:
MFC r197558
Fix NULL-pointer dereference in usb_endpoint_foreach().
PR: usb/138389
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/usb/usb_device.c
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/dev/usb/usb_device.c
==============================================================================
--- stable/8/sys/dev/usb/usb_device.c Thu Oct 29 23:16:39 2009 (r198643)
+++ stable/8/sys/dev/usb/usb_device.c Thu Oct 29 23:17:23 2009 (r198644)
@@ -367,12 +367,14 @@ usb_init_endpoint(struct usb_device *ude
struct usb_endpoint *
usb_endpoint_foreach(struct usb_device *udev, struct usb_endpoint *ep)
{
- struct usb_endpoint *ep_end = udev->endpoints + udev->endpoints_max;
+ struct usb_endpoint *ep_end;
/* be NULL safe */
if (udev == NULL)
return (NULL);
+ ep_end = udev->endpoints + udev->endpoints_max;
+
/* get next endpoint */
if (ep == NULL)
ep = udev->endpoints;
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