linux-kernel - Re: [PATCH] ath9k: initialize arrays at compile time

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87a6dko7ho.fsf@igel.home>
Date:   Sun, 20 Mar 2022 18:32:03 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     John Crispin <john@...ozen.org>
Cc:     trix@...hat.com, toke@...e.dk, kvalo@...nel.org,
        davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ath9k: initialize arrays at compile time

On Mär 20 2022, John Crispin wrote:

> If I recall correctly { 0 } will only set the first element of the
> struct/array to 0 and leave random data in all others elements

An initializer always initializes the _whole_ object.

The subject is also wrong, all initializers are executed at run time
(automatic variables cannot be initialized at compile time).

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."