Re: [PATCH v3 09/10] x86/virt/tdx: Use early returns in get_tdx_sys_info()

["Edgecombe, Rick P" <rick.p.edgecombe@intel.com>]

On Tue, 2026-09-29 at 22:38 -0700, Chao Gao wrote:
> get_tdx_sys_info() was generated by a script. It chains its metadata reads
> with:
> 
>       ret = ret ?: get_tdx_sys_info_foo(...);
> 
> The function is maintained by hand now. Use conventional early returns
> instead.
> 
> Print the module version only after its metadata has been read
> successfully. The "ret ?:" chain had no early exit, so the pr_info()
> between the reads ran even when the version read itself failed, printing a
> partially read or all-zero version. That isn't considered a big problem,
> but early returns make it easy to avoid.

Nit: The reason it is good to change it in this patch is because not doing the
early exit looks very obviously wrong now, where it didn't before.

> 
> AI was used under supervision to review code and workshop logs.
> 
> Signed-off-by: Chao Gao <chao.gao@intel.com>
> ---
> v3:
>  - Print the module version only after reading its metadata succeeds [Rick]

Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>