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-rw-r--r--drivers/base/dma-coherent.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index db122a06edc5..2789f7a95b93 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers/base/dma-coherent.c
@@ -262,7 +262,7 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
unsigned long off = vma->vm_pgoff;
int start = (vaddr - mem->virt_base) >> PAGE_SHIFT;
int user_count = vma_pages(vma);
- int count = size >> PAGE_SHIFT;
+ int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
*ret = -ENXIO;
if (off < count && user_count <= count - off) {