[PATCH] ARM: dma-mapping: Use vma_pages()
From: festevam@gmail.com (Fabio Estevam)
Date: 2018-03-24 14:55:19
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: Fabio Estevam <redacted> Use vma_pages() function instead of open coding it. Generated by scripts/coccinelle/api/vma_pages.cocci. Signed-off-by: Fabio Estevam <redacted> --- 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 8c398fe..c25cca6 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c@@ -845,7 +845,7 @@ 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;
--
2.7.4