Re: [PATCH v2] crypto: DRBG - always try to free Jitter RNG instance

[Stephan Müller <smueller@xxxxxxxxxx>]

Am Freitag, 5. Juni 2020, 18:21:49 CEST schrieb Eric Biggers:

Hi Eric,

> To be concrete, I'm suggesting:
> 
> 	if (!IS_ERR_OR_NULL(drbg->jent))
> 		crypto_free_rng(drbg->jent);
> 	drbg->jent = NULL;

I currently do not see that this could lead to an issue. But you are right, we 
should use defensive programming everywhere.

I will send a v3 shortly.

Thanks.


Ciao
Stephan