---

yaml --- r: 154796 b: refs/heads/master c: 6a43e57 h: refs/heads/master v: v3
git-mirror · Jul 2, 2009 · 78c535c · 78c535c
1 parent 75a7353
commit 78c535c
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 75e6bf9638992dfc0fec9c3ca10444c8e0d6a638
+refs/heads/master: 6a43e574c5af7d9bd084992b1c9c3cdbc3b6c0e9
diff --git a/trunk/drivers/pci/intel-iommu.c b/trunk/drivers/pci/intel-iommu.c
@@ -826,8 +826,10 @@ static void dma_pte_free_pagetable(struct dmar_domain *domain,
 				continue;
 			}
 			do {
-				free_pgtable_page(phys_to_virt(dma_pte_addr(pte)));
-				dma_clear_pte(pte);
+				if (dma_pte_present(pte)) {
+					free_pgtable_page(phys_to_virt(dma_pte_addr(pte)));
+					dma_clear_pte(pte);
+				}
 				pte++;
 				tmp += level_size(level);
 			} while (!first_pte_in_page(pte) &&