2.6.38-stable review patch. If anyone has any objections, please let us know.
------------------ From: Jan Kiszka <[email protected]> commit 7a6610139a1e1d9297dd1c5d178022eac36839cb upstream. Obtain the new pgd pointer before releasing the page containing this value. Signed-off-by: Jan Kiszka <[email protected]> Reviewed-by: Sheng Yang <[email protected]> Signed-off-by: David Woodhouse <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/pci/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -3627,9 +3627,9 @@ static int intel_iommu_attach_device(str pte = dmar_domain->pgd; if (dma_pte_present(pte)) { - free_pgtable_page(dmar_domain->pgd); dmar_domain->pgd = (struct dma_pte *) phys_to_virt(dma_pte_addr(pte)); + free_pgtable_page(pte); } dmar_domain->agaw--; } _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
