Date: Tue, 10 Mar 2009 11:06:33 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 158986 for review Message-ID: <200903101106.n2AB6Xvr092495@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=158986 Change 158986 by hselasky@hselasky_laptop001 on 2009/03/10 11:05:41 USB CORE: Fix a possible NULL pointer access at controller attach. Affected files ... .. //depot/projects/usb/src/sys/dev/usb/controller/usb_controller.c#2 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/controller/usb_controller.c#2 (text+ko) ==== @@ -346,7 +346,8 @@ err = usb2_probe_and_attach(child, USB_IFACE_INDEX_ANY); if (!err) { - if (!bus->devices[USB_ROOT_HUB_ADDR]->hub) { + if ((bus->devices[USB_ROOT_HUB_ADDR] == NULL) || + (bus->devices[USB_ROOT_HUB_ADDR]->hub == NULL)) { err = USB_ERR_NO_ROOT_HUB; } }
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