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drm/amdgpu/mes: fix use-after-free issue

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[ Upstream commit 948255282074d9367e01908b3f5dcf8c10fc9c3d ]

Delete fence fallback timer to fix the ramdom
use-after-free issue.

v2: move to amdgpu_mes.c

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jack Xiao 2024-04-22 16:22:54 +08:00 committed by Greg Kroah-Hartman
parent 67aa2a7b83
commit 39cfce7516
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
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@ -1098,6 +1098,7 @@ void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
return;
amdgpu_mes_remove_hw_queue(adev, ring->hw_queue_id);
del_timer_sync(&ring->fence_drv.fallback_timer);
amdgpu_ring_fini(ring);
kfree(ring);
}