---

yaml --- r: 154793 b: refs/heads/master c: 85b9827 h: refs/heads/master i: 154791: e227196 v: v3
git-mirror · Jul 1, 2009 · a77bf30 · a77bf30
1 parent 2b9ad38
commit a77bf30
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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: 206a73c102fc480ba072a9388bc2142c303113aa
+refs/heads/master: 85b98276f2ffa66b25ae6328b00bfadfd74b74e7
diff --git a/trunk/drivers/pci/intel-iommu.c b/trunk/drivers/pci/intel-iommu.c
@@ -2640,7 +2640,8 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
 	iommu = domain_get_iommu(domain);
 
 	iova = find_iova(&domain->iovad, IOVA_PFN(dev_addr));
-	if (!iova)
+	if (WARN_ONCE(!iova, "Driver unmaps unmatched page at PFN %llx\n",
+		      (unsigned long long)dev_addr))
 		return;
 
 	start_pfn = mm_to_dma_pfn(iova->pfn_lo);
@@ -2730,7 +2731,8 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
 	iommu = domain_get_iommu(domain);
 
 	iova = find_iova(&domain->iovad, IOVA_PFN(sglist[0].dma_address));
-	if (!iova)
+	if (WARN_ONCE(!iova, "Driver unmaps unmatched sglist at PFN %llx\n",
+		      (unsigned long long)sglist[0].dma_address))
 		return;
 
 	start_pfn = mm_to_dma_pfn(iova->pfn_lo);