drm/ttm: fix incrementing the page pointer for huge pages

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index c74147f0cbe3..627f8dc91d0e 100644
--- 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 **pages, unsigned npages, int flags,
                         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 **pages, unsigned npages, int flags,
                                 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)