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Commit e688f144 authored by Muhammad Falak R Wani's avatar Muhammad Falak R Wani Committed by Greg Kroah-Hartman
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drivers: dma-coherent: use vma_pages(). 



Replace explicit computation of vma page count by a call to
vma_pages()

Signed-off-by: default avatarMuhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 03aca7b2

drivers/base/dma-coherent.c

+1 −1
Original line number Diff line number Diff line
@@ -261,7 +261,7 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, 
		   (mem->virt_base + (mem->size << PAGE_SHIFT))) {

		unsigned long off = vma->vm_pgoff;

		int start = (vaddr - mem->virt_base) >> PAGE_SHIFT;

		int user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;

		int user_count = vma_pages(vma);

		int count = size >> PAGE_SHIFT;



		*ret = -ENXIO;