linux-kernel - Re: [PATCH 07/16] GFS2: Directory handling

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Message-ID: <je3bb6zo4g.fsf@sykes.suse.de>
Date:	Tue, 05 Sep 2006 10:58:07 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Whitehouse <swhiteho@...hat.com>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	linux-kernel@...r.kernel.org,
	Russell Cattelan <cattelan@...hat.com>,
	David Teigland <teigland@...hat.com>, hch@...radead.org
Subject: Re: [PATCH 07/16] GFS2: Directory handling

Ingo Molnar <mingo@...e.hu> writes:

> * Steven Whitehouse <swhiteho@...hat.com> wrote:
>
>> > >+static inline int __gfs2_dirent_find(const struct gfs2_dirent *dent,
>> > >+				     const struct qstr *name, int ret)
>> > >+{
>> > >+	if (dent->de_inum.no_addr != 0 &&
>> > >+	    be32_to_cpu(dent->de_hash) == name->hash &&
>> > >+	    be16_to_cpu(dent->de_name_len) == name->len &&
>> > >+	    memcmp((char *)(dent+1), name->name, name->len) == 0)
>> > 
>> > Nocast.
>> > 
>> ok
>
> actually, sizeof(*dent) != 1, so how can a non-casted memcmp be correct 
> here?

How can the cast change anything?

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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