Use vma_pages function on vma object instead of explicit computation. arch/arm/mm/dma-mapping.c:849:36-42: WARNING: Consider using vma_pages helper on vma Generated by: scripts/coccinelle/api/vma_pages.cocci
Signed-off-by: Vasyl Gomonovych <[email protected]> --- arch/arm/mm/dma-mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index fcf1473d6fed..855427620b01 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -846,7 +846,7 @@ static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, unsigned long attrs) { int ret; - unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long nr_vma_pages = vma_pages(vma); unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long pfn = dma_to_pfn(dev, dma_addr); unsigned long off = vma->vm_pgoff; -- 1.9.1
