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Date: Fri, 9 Jan 2009 08:58:07 -0800 From: Dirk Hohndel <hohndel@...radead.org> To: "Zhao, Yu" <yu.zhao@...el.com> Cc: "Han, Weidong" <weidong.han@...el.com>, 'Grant Grundler' <grundler@...isc-linux.org>, "'linux-pci@...r.kernel.org'" <linux-pci@...r.kernel.org>, "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>, 'Jesse Barnes' <jbarnes@...tuousgeek.org>, "'iommu@...ts.linux-foundation.org'" <iommu@...ts.linux-foundation.org>, 'Ingo Molnar' <mingo@...e.hu>, 'Arjan van de Ven' <arjan@...radead.org> Subject: [PATCH] Prevent oops at boot with VT-d Resending with appropriate Subject Signed-off-by: Dirk Hohndel <hohndel@...ux.intel.com> Acked-by: Yu Zhao <yu.zhao@...el.com> --- drivers/pci/intel-iommu.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 235fb7a..3dfecb2 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -438,7 +438,8 @@ static struct intel_iommu *device_to_iommu(u8 bus, u8 devfn) continue; for (i = 0; i < drhd->devices_cnt; i++) - if (drhd->devices[i]->bus->number == bus && + if (drhd->devices[i] && + drhd->devices[i]->bus->number == bus && drhd->devices[i]->devfn == devfn) return drhd->iommu; -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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