From: Christian König christian.koenig@amd.com
commit 453393369dc9806d2455151e329c599684762428 upstream.
When we increment the counter we need to increment the pointer as well.
Signed-off-by: Christian König christian.koenig@amd.com Fixes: e16858a7e6e7 drm/ttm: fix start page for huge page check in ttm_put_pages() Reviewed-by: Michel Dänzer michel.daenzer@amd.com Acked-by: Huang Rui ray.huang@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: Zubin Mithra zsm@chromium.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/ttm/ttm_page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -733,7 +733,7 @@ static void ttm_put_pages(struct page ** if (!(flags & TTM_PAGE_FLAG_DMA32) && (npages - i) >= HPAGE_PMD_NR) { for (j = 1; j < HPAGE_PMD_NR; ++j) - if (p++ != pages[i + j]) + if (++p != pages[i + j]) break;
if (j == HPAGE_PMD_NR) @@ -768,7 +768,7 @@ static void ttm_put_pages(struct page ** break;
for (j = 1; j < HPAGE_PMD_NR; ++j) - if (p++ != pages[i + j]) + if (++p != pages[i + j]) break;
if (j != HPAGE_PMD_NR)