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drm/amdgpu:fix memleak in takedown

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this can fix the memory leak under the case that not all
BO are freed during "takedown" stage, because originally
it blocks following kfree on mgr.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-11-14 16:48:06 +08:00 committed by Alex Deucher
parent 451cc55dd1
commit 9ee8ecbb3e
2 changed files with 0 additions and 11 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
View File

@ -71,12 +71,6 @@ static int amdgpu_gtt_mgr_fini(struct ttm_mem_type_manager *man)
{
struct amdgpu_gtt_mgr *mgr = man->priv;
spin_lock(&mgr->lock);
if (!drm_mm_clean(&mgr->mm)) {
spin_unlock(&mgr->lock);
return -EBUSY;
}
drm_mm_takedown(&mgr->mm);
spin_unlock(&mgr->lock);
kfree(mgr);

5
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
View File

@ -68,11 +68,6 @@ static int amdgpu_vram_mgr_fini(struct ttm_mem_type_manager *man)
struct amdgpu_vram_mgr *mgr = man->priv;
spin_lock(&mgr->lock);
if (!drm_mm_clean(&mgr->mm)) {
spin_unlock(&mgr->lock);
return -EBUSY;
}
drm_mm_takedown(&mgr->mm);
spin_unlock(&mgr->lock);
kfree(mgr);