From 7a8e4158bf6700607bf361dfbaaac7c901f1134a Mon Sep 17 00:00:00 2001 From: Thomas Meyer Date: Thu, 21 Sep 2017 00:29:36 +0200 Subject: [PATCH] MIPS: Cocci spatch "vma_pages" Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17333/ Signed-off-by: Ralf Baechle --- arch/mips/mm/dma-default.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index c01bd20d0208..bfd504c92719 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -179,7 +179,7 @@ static int mips_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs) { - unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long user_count = vma_pages(vma); unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long addr = (unsigned long)cpu_addr; unsigned long off = vma->vm_pgoff;