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authorChristian König <christian.koenig@amd.com>2019-04-10 11:43:43 +0200
committerAlex Deucher <alexander.deucher@amd.com>2019-04-11 10:01:51 -0500
commit453393369dc9806d2455151e329c599684762428 (patch)
treed58d288fd1783843e44813e1bc3510d41f16b3e0 /drivers/gpu
parentac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4 (diff)
downloadlinux-453393369dc9806d2455151e329c599684762428.tar.bz2
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_page_alloc.c4
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)