---

yaml --- r: 362813 b: refs/heads/master c: 186f50f h: refs/heads/master i: 362811: e0bee98 v: v3
git-mirror · Apr 23, 2013 · ddbbced · ddbbced
1 parent 2a61652
commit ddbbced
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63dd9b44ac926d3250c1e8dfcb309c37c870fe21
+refs/heads/master: 186f50fa568a221fdabd6753341c2de4abd24b78
diff --git a/trunk/arch/s390/pci/pci_dma.c b/trunk/arch/s390/pci/pci_dma.c
@@ -269,8 +269,6 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
 	int flags = ZPCI_PTE_VALID;
 	dma_addr_t dma_addr;
 
-	WARN_ON_ONCE(offset > PAGE_SIZE);
-
 	/* This rounds up number of pages based on size and offset */
 	nr_pages = iommu_num_pages(pa, size, PAGE_SIZE);
 	iommu_page_index = dma_alloc_iommu(zdev, nr_pages);
@@ -292,7 +290,7 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
 
 	if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) {
 		atomic64_add(nr_pages, (atomic64_t *) &zdev->fmb->mapped_pages);
-		return dma_addr + offset;
+		return dma_addr + (offset & ~PAGE_MASK);
 	}
 
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