From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH 1/4] cifs: make cifs_lookup return a dentry
Date: Sat, 22 May 2010 14:30:51 +0100
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Cc: linux-cifs-client@lists.samba.org, linux-fsdevel@vger.kernel.org
To: Jeff Layton <jlayton@redhat.com>
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On Fri, May 21, 2010 at 02:25:14PM -0400, Jeff Layton wrote:
> cifs_lookup doesn't actually return a dentry. It instantiates the one
> that's passed in, but callers don't have any way to know if the lookup
> succeeded.

Huh?  Of course they do - ->lookup() has every right to do just that;
d_add() and return NULL is perfectly legitimate.