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| author | Muhammad Falak R Wani <falakreyaz@gmail.com> | 2016-05-21 18:52:57 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-31 15:13:56 +0200 |
| commit | e688f144305c678fb65138d9e6b6ce436e59778b (patch) | |
| tree | f0cc14503ae14f18d8eebba48a97c3f0e599f0c9 /drivers/base/dma-coherent.c | |
| parent | 03aca7b260ea2aadf92596d2f57160e4aee8ffb0 (diff) | |
| download | op-kernel-dev-e688f144305c678fb65138d9e6b6ce436e59778b.zip op-kernel-dev-e688f144305c678fb65138d9e6b6ce436e59778b.tar.gz | |
drivers: dma-coherent: use vma_pages().
Replace explicit computation of vma page count by a call to
vma_pages()
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/dma-coherent.c')
| -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 bdf28f7..db122a0 100644 --- a/drivers/base/dma-coherent.c +++ b/drivers/base/dma-coherent.c @@ -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; |
