[Devel] Re: [PATCH 6/8] scm: Capture the full credentials of the scm sender.

[Pavel Emelyanov]

> +static __inline__ void scm_destroy_cred(struct scm_cookie *scm)
> +{
> +	put_pid(scm->pid);
> +	scm->pid  = NULL;
> +
> +	if (scm->cred)
> +		put_cred(scm->cred);
> +	scm->cred = NULL;
> +}
> +
>  static __inline__ void scm_destroy(struct scm_cookie *scm)
>  {
> +	scm_destroy_cred(scm);
>  	if (scm && scm->fp)
>  		__scm_destroy(scm);
>  }

I'm a bit worried by the "if (scm" check. It makes me think scm can
be NULL here and thus scm_destroy_cred can oops.
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