linux-kernel - Re: [PATCH] net: xfrm_user: use BUG_ON instead of if condition followed by BUG

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]

Date:   Tue, 24 Oct 2017 12:30:51 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: xfrm_user: use BUG_ON instead of if condition
 followed by BUG

On Mon, Oct 23, 2017 at 09:01:46PM -0700, Alexei Starovoitov wrote:
>
> fwiw I had the same argument earlier:
> https://lkml.org/lkml/2017/10/9/1139

Fair point on eliminating a branch.  But I'd prefer something like

	bool cond;

	cond = code_that_does_something();
	BUG_ON(cond);

rather than just

	BUG_ON(code_that_does_something());

But maybe it's just me.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt