From: Jérôme Glisse <jglisse@xxxxxxxxxx>
The private field of mm_walk struct point to an hmm_vma_walk struct and
not to the hmm_range struct desired. Fix to get proper struct pointer.
Signed-off-by: Jérôme Glisse <jglisse@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: Evgeny Baskakov <ebaskakov@xxxxxxxxxx>
Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
Cc: Mark Hairgrove <mhairgrove@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
---
mm/hmm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/hmm.c b/mm/hmm.c
index 2d00769e8985..812a66997627 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -336,7 +336,8 @@ static int hmm_pfns_bad(unsigned long addr,
unsigned long end,
struct mm_walk *walk)
{
- struct hmm_range *range = walk->private;
+ struct hmm_vma_walk *hmm_vma_walk = walk->private;
+ struct hmm_range *range = hmm_vma_walk->range;
hmm_pfn_t *pfns = range->pfns;
unsigned long i;
--
2.14.3