Re: issue with uninitialized value used in a comparison in gbcodec_mixer_dapm_ctl_put

From: Vaibhav Agarwal
Date: Thu Aug 06 2020 - 13:53:36 EST


On Wed, Aug 05, 2020 at 08:35:15AM -0500, Alex Elder wrote:

<snip>

>
> I think the fix is to add a call to this:
>
> ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
> GB_AUDIO_INVALID_INDEX, &gbvalue);
>
> before the field within gbvalue is used.
>
> Looking at gbcodec_mixer_dapm_ctl_get() defined just above that, it
> seems that the call to gb_audio_gb_get_control() should be preceded
> by a call to gb_pm_runtime_get_sync(). And given that duplication,
> I suggest this call and the PM runtime wrapper functions should be
> placed in a new helper function.
>
> I know that Vaibhav said he would be fixing this, so I guess my
> comments are directed at him. Thanks for sending the patch Colin.
>
> -Alex

Thanks Alex. I'll share a patch with the proposed fix.

--
vaibhav

>
>
> > Colin
> >
> >
>