Re: Re: [PATCH] tpm: Add missing check in tpm_inf_recv

[dinghao . liu]

"Jarkko Sakkinen" <jarkko@xxxxxxxxxx>写道：
> On Sun, Feb 28, 2021 at 05:32:30PM +0800, Dinghao Liu wrote:
> > The use of wait() in tpm_inf_recv() is almost the same. It's odd that
> > we only check the return value and terminate execution flow of one call.
> > 
> > Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
> 
> Is the unchecked return value of wait() the problem? I don't see the
> function even mentioned in the description.
> 

Yes. This issue is reported by my static analysis tool. I think we
should treat wait() equally in this function (check the return value
and return an error code on failure). 

Regards,
Dinghao