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drm/nouveau/ttm: don't dereference nvbo::cli, it can outlive client

Bladeren bron 
Potentially responsible for some random OOPSes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [v4.15+]
This commit is contained in:
Ben Skeggs
2018-05-08 20:39:47 +10:00
bovenliggende a02cbe2e34
commit 0d5a03c3d9
3 gewijzigde bestanden met toevoegingen van 3 en 6 verwijderingen
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6
drivers/gpu/drm/nouveau/nouveau_ttm.c
Bestand weergeven

@@ -63,7 +63,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nvbo->cli->drm;
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;
@@ -103,7 +103,7 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nvbo->cli->drm;
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;
@@ -131,7 +131,7 @@ nv04_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nvbo->cli->drm;
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;