From: Jérôme Glisse jglisse@redhat.com

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@redhat.com Cc: stable@vger.kernel.org Cc: Evgeny Baskakov ebaskakov@nvidia.com Cc: Ralph Campbell rcampbell@nvidia.com Cc: Mark Hairgrove mhairgrove@nvidia.com Cc: John Hubbard jhubbard@nvidia.com --- mm/hmm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/hmm.c b/mm/hmm.c index 667944630dc9..f5631e1a7319 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -312,7 +312,8 @@ 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;