diff options
Diffstat (limited to 'drivers/char/mspec.c')
-rw-r--r-- | drivers/char/mspec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index e1f60f968fdd..f1d7fa45c275 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c | |||
@@ -267,7 +267,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, | |||
267 | if ((vma->vm_flags & VM_WRITE) == 0) | 267 | if ((vma->vm_flags & VM_WRITE) == 0) |
268 | return -EPERM; | 268 | return -EPERM; |
269 | 269 | ||
270 | pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; | 270 | pages = vma_pages(vma); |
271 | vdata_size = sizeof(struct vma_data) + pages * sizeof(long); | 271 | vdata_size = sizeof(struct vma_data) + pages * sizeof(long); |
272 | if (vdata_size <= PAGE_SIZE) | 272 | if (vdata_size <= PAGE_SIZE) |
273 | vdata = kzalloc(vdata_size, GFP_KERNEL); | 273 | vdata = kzalloc(vdata_size, GFP_KERNEL); |