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

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Message-ID: <20171024043051.GA29883@gondor.apana.org.au>
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