diff options
| -rw-r--r-- | drivers/base/dma-coherent.c | 2 |
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) { |