1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index 3b118353ea17..d82566d6e237 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -226,7 +226,6 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
 #ifndef CONFIG_ARCH_NO_COHERENT_DMA_MMAP
         unsigned long user_count = vma_pages(vma);
         unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
-        unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr));
         unsigned long off = vma->vm_pgoff;
 
         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
@@ -234,12 +233,11 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
         if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
                 return ret;
 
-        if (off < count && user_count <= (count - off)) {
+        if (off < count && user_count <= (count - off))
                 ret = remap_pfn_range(vma, vma->vm_start,
-                                      pfn + off,
+                                      page_to_pfn(virt_to_page(cpu_addr)) + off,
                                       user_count << PAGE_SHIFT,
                                       vma->vm_page_prot);
-        }
 #endif  /* !CONFIG_ARCH_NO_COHERENT_DMA_MMAP */
 
         return ret;