c
int amdgpu_amdkfd_drm_client_create(struct amdgpu_device *adev) {
    if (adev == NULL) { 
        // Handle the error appropriately. You might:
        //   - Return an error code
        //   - Log an error message
        //   - Trigger an assertion to halt execution
        return -EINVAL; // Example: Return an invalid argument error 
    }
    if (!adev->kfd.init_complete) { // Now safe to access
        // ... rest of the code ...
    } 
}
