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From: Herbert Xu <herbert@gondor.apana.org.au>
To: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: xfrm_user: use BUG_ON instead of if condition followed by BUG
Date: Tue, 24 Oct 2017 11:53:20 +0800	[thread overview]
Message-ID: <20171024035320.GA29795@gondor.apana.org.au> (raw)
In-Reply-To: <20171023225043.Horde.R0FvJkHEmPPjnRNzKMOrPb3@gator4166.hostgator.com>

On Mon, Oct 23, 2017 at 10:50:43PM -0500, Gustavo A. R. Silva wrote:
> 
> Quoting Herbert Xu <herbert@gondor.apana.org.au>:
> 
> >On Mon, Oct 23, 2017 at 01:18:57PM -0500, Gustavo A. R. Silva wrote:
> >>Use BUG_ON instead of if condition followed by BUG.
> >>
> >>This issue was detected with the help of Coccinelle.
> >>
> >>Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
> >
> >I think this patch is terrible.  Why on earth is Coccinelle even
> >warning about this?
> >
> >If anything we should be converting these constructs to not use
> >BUG.
> >
> 
> Yeah, and under this assumption the original code is even worse.

No your patch makes it worse.  The original construct makes it
clear that the conditional is real code and not just some debugging
aid.

With your patch, real code is now inside BUG_ON.

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

  reply	other threads:[~2017-10-24  3:54 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-23 18:18 Gustavo A. R. Silva
2017-10-24  3:25 ` Herbert Xu
2017-10-24  3:50   ` Gustavo A. R. Silva
2017-10-24  3:53     ` Herbert Xu [this message]
2017-10-24  3:57       ` Gustavo A. R. Silva
2017-10-24  4:01       ` Alexei Starovoitov
2017-10-24  4:30         ` Herbert Xu
2017-10-24  8:48       ` David Miller
2017-10-25  4:05         ` Herbert Xu
2017-10-25  4:22           ` David Miller
2017-10-25  7:28             ` Steffen Klassert
2017-10-25 16:43               ` Gustavo A. R. Silva
2017-10-26  0:38                 ` Gustavo A. R. Silva
2017-10-26  6:36                   ` Herbert Xu
2017-10-26 10:47                     ` Gustavo A. R. Silva
2017-10-26 11:31                       ` [PATCH v2] " Gustavo A. R. Silva
2017-10-27 10:46                         ` Steffen Klassert
2017-10-27 20:56                           ` Gustavo A. R. Silva
2017-10-24  8:47   ` [PATCH] " David Miller

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