[PATCH 1/1] drm/ttm: Fix accounting error when fail to get pages for pool

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Reviewed-by: Monk Liu <monk.liu at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Xiangliang.Yu <Xiangliang.Yu at amd.com>
Sent: Wednesday, August 16, 2017 3:20:46 PM
To: akpm at linux-foundation.org; labbott at redhat.com; dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
Cc: Yu, Xiangliang
Subject: [PATCH 1/1] drm/ttm: Fix accounting error when fail to get pages for pool

When fail to get needed page for pool, need to put allocated pages
into pool. But current code has a miscalculation of allocated pages,
correct it.

Signed-off-by: Xiangliang.Yu <Xiangliang.Yu at amd.com>
---
 drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index eeddc1e..8715998 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
                 } else {
                         pr_err("Failed to fill pool (%p)\n", pool);
                         /* If we have any pages left put them to the pool. */
-                       list_for_each_entry(p, &pool->list, lru) {
+                       list_for_each_entry(p, &new_pages, lru) {
                                 ++cpages;
                         }
                         list_splice(&new_pages, &pool->list);
--
2.7.4

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