[PATCH 08/30] Ensure first is not NULL

[email protected] <[email protected]>
Newsgroups dev.linux.lists.lvm-devel
Message-ID <87mxq260wm.wl%[email protected]> 
At Mon, 25 Oct 2010 10:24:15 +0200,
Zdenek Kabelac wrote:
> 
> clang Logic error	Dereference of null pointer
> 
> For empty lists make sure the NULL first pointer is not dereferenced.
> 
> Signed-off-by: Zdenek Kabelac <[email protected]>

Again I'm worried you're hiding a problem.  Can |first| be NULL, what does it mean?
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