RE: [EXT] Re: [PATCH] crypto: caam: Clear some memory in instantiate_rng()

[Gaurav Jain]

Hi Herbert

> -----Original Message-----
> From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Sent: Tuesday, March 21, 2023 8:57 AM
> To: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> Cc: Horia Geanta <horia.geanta@xxxxxxx>; Pankaj Gupta
> <pankaj.gupta@xxxxxxx>; Gaurav Jain <gaurav.jain@xxxxxxx>;
> davem@xxxxxxxxxxxxx; linux-crypto@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx
> Subject: [EXT] Re: [PATCH] crypto: caam: Clear some memory in
> instantiate_rng()
> 
> Caution: EXT Email
> 
> On Tue, Mar 21, 2023 at 12:45:43AM +0100, Christophe JAILLET wrote:
> > According to the comment at the end of the 'for' loop just a few lines
> > below, it looks needed to clear 'desc'.
> >
> > So it should also be cleared for the first iteration.
> >
> > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> > ---
> > This patch is speculative, but can't hurt.
> >
> > Maybe the memset() at the end of the 'for' loop could be removed instead.
> 
> I think the memset can be removed.  Horia?
memset() is needed to clear the desc for each state handle before recreating descriptor.
So it is required.

Regards
Gaurav Jain
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