[ARM] Fix dma_mmap() size argument.

We were passing the size of the region in pages, where as
remap_pfn_range expected the size in bytes.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>

diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c
index 3c2bde8e357ba770d590e492117e21b414dc2ff3..915cee5c1a21b9a8f57735ca051f4f3c85f3a2e8 100644 (file)
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -293,7 +293,8 @@ static int dma_mmap(struct device *dev, struct vm_area_struct *vma,
                        vma->vm_flags |= VM_RESERVED;
                        ret = remap_pfn_range(vma, vma->vm_start,
                                              page_to_pfn(c->vm_pages) + off,
-                                             user_size, vma->vm_page_prot);
+                                             user_size << PAGE_SHIFT,
+                                             vma->vm_page_prot);
                }
        }