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drm/amdkfd: Fix NULL pointer dereference

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Check that adev->gfx.ras is valid before using it.

Fixes: 6475ae2b74 ("drm/amdgpu: add UTCL2 RAS poison query for Aldebaran (v2)")
CC: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2022-04-06 16:58:24 -04:00 • committed by Alex Deucher
parent dac1655cb2
commit 3cd3e731f3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
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@ -727,7 +727,7 @@ void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev, bo
bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev)
{
if (adev->gfx.ras->query_utcl2_poison_status)
if (adev->gfx.ras && adev->gfx.ras->query_utcl2_poison_status)
return adev->gfx.ras->query_utcl2_poison_status(adev);
else
return false;