From 453393369dc9806d2455151e329c599684762428 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Wed, 10 Apr 2019 11:43:43 +0200 Subject: [PATCH] drm/ttm: fix incrementing the page pointer for huge pages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When we increment the counter we need to increment the pointer as well. Signed-off-by: Christian König Fixes: e16858a7e6e7 drm/ttm: fix start page for huge page check in ttm_put_pages() Reviewed-by: Michel Dänzer Acked-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/ttm/ttm_page_alloc.c | 4 ++-- 1 file 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) -- GitLab