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HSI: cmt_speech: use vma_pages().
authorMuhammad Falak R Wani <falakreyaz@gmail.com>
Sat, 21 May 2016 13:19:21 +0000 (18:49 +0530)
committerSebastian Reichel <sre@kernel.org>
Sun, 29 May 2016 18:37:45 +0000 (20:37 +0200)
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: Sebastian Reichel <sre@kernel.org>
drivers/hsi/clients/cmt_speech.c patch | blob | blame | history

diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c
index 95638df73d1c328c88a57c077fccf271731b5a4e..b16cfa4b2360c55dd81b4771a9a2723e04d27a34 100644 (file)
--- a/drivers/hsi/clients/cmt_speech.c
+++ b/drivers/hsi/clients/cmt_speech.c
@@ -1275,7 +1275,7 @@ static int cs_char_mmap(struct file *file, struct vm_area_struct *vma)
        if (vma->vm_end < vma->vm_start)
                return -EINVAL;
 
-       if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) != 1)
+       if (vma_pages(vma) != 1)
                return -EINVAL;
 
        vma->vm_flags |= VM_IO | VM_DONTDUMP | VM_DONTEXPAND;