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From ed053d56eec6649d2b85adc0f1548e6ca32d5f2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Tue, 28 Aug 2018 18:56:29 +0200
Subject: [PATCH 0189/2940] drm/ttm: Initialize local lists in
ttm_bo_bulk_move_helper
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The first parameter of list_cut_position() must point to an initialized
list.
Noticed thanks to KASAN pointing out something's fishy here.
Change-Id: I58848734d64619c3113efd77547242b6f9bdc720
Fixes: "drm/ttm: add bulk move function on LRU"
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 579b8c6e6ae3..dc33b3b5975e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -250,7 +250,8 @@ EXPORT_SYMBOL(ttm_bo_move_to_lru_tail);
static void ttm_bo_bulk_move_helper(struct ttm_lru_bulk_move_pos *pos,
struct list_head *lru, bool is_swap)
{
- struct list_head entries, before;
+ LIST_HEAD(entries);
+ LIST_HEAD(before);
struct list_head *list1, *list2;
list1 = is_swap ? &pos->last->swap : &pos->last->lru;
--
2.17.1
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