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From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Anton Altaparmakov <aia21@cam.ac.uk>
Cc: Phillip Hellewell <phillip@hellewell.homeip.net>,
	akpm@osdl.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, viro@ftp.linux.org.uk,
	mike@halcrow.us, mhalcrow@us.ibm.com, mcthomps@us.ibm.com,
	yoder1@us.ibm.com
Subject: Re: [PATCH 4/12: eCryptfs] Main module functions
Date: Sun, 20 Nov 2005 21:06:56 +0200	[thread overview]
Message-ID: <1132513616.8032.3.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.64.0511201531010.20876@hermes-1.csi.cam.ac.uk>

Hi Anton,

On 11/19/05, Phillip Hellewell <phillip@hellewell.homeip.net> wrote:
> > > +                       BUG();
> > > +                       err = -EINVAL;
> > > +                       goto out;

On Sat, 19 Nov 2005, Pekka Enberg wrote:
> > Why do you want to BUG() and then handle the situation?

On Sun, 2005-11-20 at 15:34 +0000, Anton Altaparmakov wrote:
> Because you can define BUG() to nothing (on embedded builds for example) 
> and then you would be screwed if you don't handle the error gracefully.  
> You should never assume something does not return, except perhaps a 
> panic() although someone might even get rid of that one day...

You have a point but in this case, I don't understand why they don't
just handle it gracefully since they clearly can do so. Also, I was
under the impression that people who disable BUG() are knowingly taking
the risk...

			Pekka


  reply	other threads:[~2005-11-20 19:12 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-19  4:11 [PATCH 0/12: eCryptfs] eCryptfs version 0.1 Phillip Hellewell
2005-11-19  4:14 ` [PATCH 1/12: eCryptfs] Makefile and Kconfig Phillip Hellewell
2005-11-19  4:16 ` [PATCH 2/12: eCryptfs] Documentation Phillip Hellewell
2005-11-19  4:16 ` [PATCH 3/12: eCryptfs] Makefile Phillip Hellewell
2005-11-19  4:17 ` [PATCH 4/12: eCryptfs] Main module functions Phillip Hellewell
2005-11-19 10:47   ` Pekka Enberg
2005-11-20 15:34     ` Anton Altaparmakov
2005-11-20 19:06       ` Pekka Enberg [this message]
2005-11-21 16:10     ` Michael Thompson
2005-11-21 16:12       ` Michael Thompson
2005-11-21 16:21       ` Pekka Enberg
2005-11-19  4:18 ` [PATCH 5/12: eCryptfs] Header declarations Phillip Hellewell
2005-11-19 10:37   ` Pekka Enberg
2005-11-21 15:50     ` Michael Thompson
2005-11-19  4:19 ` [PATCH 6/12: eCryptfs] Superblock operations Phillip Hellewell
2005-11-19 10:50   ` Pekka Enberg
2005-11-21 15:57     ` Michael Thompson
2005-11-21 16:01       ` Pekka Enberg
2005-11-21 16:13         ` Michael Thompson
2005-11-21 16:15           ` Michael Thompson
2005-11-21 16:20             ` Pekka Enberg
2005-11-19  4:20 ` [PATCH 7/12: eCryptfs] File operations Phillip Hellewell
2005-11-19 10:53   ` Pekka Enberg
2005-11-21 15:58     ` Michael Thompson
2005-11-19  4:20 ` [PATCH 8/12: eCryptfs] Dentry operations Phillip Hellewell
2005-11-19  4:21 ` [PATCH 9/12: eCryptfs] Inode operations Phillip Hellewell
2005-11-19  4:22 ` [PATCH 10/12: eCryptfs] Mmap operations Phillip Hellewell
2005-11-19  4:23 ` [PATCH 11/12: eCryptfs] Keystore Phillip Hellewell
2005-11-19  4:23 ` [PATCH 12/12: eCryptfs] Crypto functions Phillip Hellewell
2005-11-19  6:16 ` [PATCH 0/12: eCryptfs] eCryptfs version 0.1 Andrew Morton
2005-11-21 20:28   ` Michael Halcrow
2005-11-21 21:41     ` James Morris
2005-11-21 22:11       ` Michael Thompson
  -- strict thread matches above, loose matches on Subject: below --
2005-11-03  3:32 Phillip Hellewell
2005-11-03  3:49 ` [PATCH 4/12: eCryptfs] Main module functions Phillip Hellewell
2005-11-03  6:02   ` Greg KH
2005-11-03 15:09     ` Michael Thompson
2005-11-03 15:47       ` Alexey Dobriyan
2005-11-03 15:40         ` Michael Thompson
2005-11-03 21:34     ` Michael Thompson

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