[AMD Official Use Only] Reviewed-by: Hawking Zhang <[email protected]>
Regards, Hawking -----Original Message----- From: amd-gfx <[email protected]> On Behalf Of Felix Kuehling Sent: Thursday, April 7, 2022 05:06 To: [email protected] Cc: Zhou1, Tao <[email protected]> Subject: [PATCH 1/1] drm/amdkfd: Fix NULL pointer dereference Check that adev->gfx.ras is valid before using it. Fixes: f385fc0d19ce ("drm/amdgpu: add UTCL2 RAS poison query for Aldebaran (v2)") CC: Tao Zhou <[email protected]> Signed-off-by: Felix Kuehling <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index c18c4be1e4ac..64c6664b34e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -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; -- 2.32.0
