5.10-stable review patch. If anyone has any objections, please let me know.
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From: Srinivasan Shanmugam srinivasan.shanmugam@amd.com
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 --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -765,6 +765,9 @@ int amdgpu_ras_error_query(struct amdgpu if (!obj) return -EINVAL;
+ if (!info || info->head.block == AMDGPU_RAS_BLOCK_COUNT) + return -EINVAL; + switch (info->head.block) { case AMDGPU_RAS_BLOCK__UMC: if (adev->umc.funcs->query_ras_error_count)