linux-kernel - Re: [PATCH v10 1/4] random: add vgetrandom

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Date:   Wed, 30 Nov 2022 02:42:40 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        linux-crypto@...r.kernel.org, linux-api@...r.kernel.org,
        x86@...nel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Adhemerval Zanella Netto <adhemerval.zanella@...aro.org>,
        Carlos O'Donell <carlos@...hat.com>,
        Florian Weimer <fweimer@...hat.com>,
        Arnd Bergmann <arnd@...db.de>,
        Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH v10 1/4] random: add vgetrandom_alloc() syscall

On Wed, Nov 30, 2022 at 02:37:32AM +0100, Thomas Gleixner wrote:
> On Wed, Nov 30 2022 at 01:59, Jason A. Donenfeld wrote:
> > On Tue, Nov 29, 2022 at 11:02:29PM +0100, Thomas Gleixner wrote:
> >> > + * Returns a pointer to the first state in the allocation.
> >> 
> >> I have serious doubts that this statement is correct.
> >
> > "Returns the address of the first state in the allocation" is better I
> > guess.
> 
> Does not even come close to correct.
> 
> As my previous hint of 'using this as template for the (hint:missing)
> man page' did not work well, may I suggest that you look at the various
> return statements in that function and validate whether your proposed
> return value documentation is valid for all of them?

Ahh, the error values and such. Righto. Will do. I'll match the style of
similar functions.

Jason