Srinivasan Shanmugam 467139546f drm/amdgpu: Fix possible NULL dereference in amdgpu_ras_query_error_status_helper()
commit b8d55a90fd55b767c25687747e2b24abd1ef8680 upstream.

Return invalid error code -EINVAL for invalid block id.

Fixes the below:

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1183 amdgpu_ras_query_error_status_helper() error: we previously assumed 'info' could be null (see line 1176)

Suggested-by: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Tao Zhou <tao.zhou1@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Ajay: applied AMDGPU_RAS_BLOCK_COUNT condition to amdgpu_ras_error_query()
       as amdgpu_ras_query_error_status_helper() not present in v5.10, v5.4
       amdgpu_ras_query_error_status_helper() was introduced in 8cc0f5669eb6]
Signed-off-by: Ajay Kaher <ajay.kaher@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-25 16:17:18 +02:00
..
2023-09-23 10:59:57 +02:00
2020-06-30 15:37:11 -04:00
2021-11-26 10:47:22 +01:00
2023-05-17 11:35:35 +02:00
2020-02-11 04:35:36 -08:00
2022-10-26 13:22:28 +02:00