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authorChristian König <christian.koenig@amd.com>2019-09-23 10:47:22 +0200
committerChristian König <christian.koenig@amd.com>2019-10-14 12:48:59 +0200
commit73a88e4ce31055c415f1ddb55e3f08c9393cf4e3 (patch)
tree3c6f451d33933048571f43f0a0ac11c3a3dbb8b5 /drivers/gpu
parentdrm/msm/dsi: Implement reset correctly (diff)
downloadlinux-73a88e4ce31055c415f1ddb55e3f08c9393cf4e3.tar.xz
linux-73a88e4ce31055c415f1ddb55e3f08c9393cf4e3.zip
drm/ttm: fix busy reference in ttm_mem_evict_first
The busy BO might actually be already deleted, so grab only a list reference. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thellstrom@vmware.com> Link: https://patchwork.freedesktop.org/patch/332877/
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 20ff56f27aa4..ea59459c4128 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -878,11 +878,11 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
if (!bo) {
if (busy_bo)
- ttm_bo_get(busy_bo);
+ kref_get(&busy_bo->list_kref);
spin_unlock(&glob->lru_lock);
ret = ttm_mem_evict_wait_busy(busy_bo, ctx, ticket);
if (busy_bo)
- ttm_bo_put(busy_bo);
+ kref_put(&busy_bo->list_kref, ttm_bo_release_list);
return ret;
}