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

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BugLink: https://bugs.launchpad.net/bugs/2063417

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>

(cherry picked from commit f88da7fbf665ffdcbf5b439922a231bec6c0cf01)
Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Acked-by: Thibault Ferrante <thibault.ferrante@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Jack Xiao
2024-06-03 14:50:00 +02:00
committed by Stefan Bader
parent adf457c007
commit c603f4f8f2
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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@@ -1129,6 +1129,7 @@ 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);
}