From mboxrd@z Thu Jan  1 00:00:00 1970
From: ejt@redhat.com <ejt@redhat.com>
Date: Mon, 25 Oct 2010 11:02:29 +0100
Subject: [PATCH 07/30] Ensure seg is nonnull
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At Mon, 25 Oct 2010 10:24:14 +0200,
Zdenek Kabelac wrote:
> 
> clang Logic error	Dereference of null pointer
> Make sure we do not try to use NULL seg pointer.
> 
> Signed-off-by: Zdenek Kabelac <zkabelac@redhat.com>

Does |seg| being NULL indicate a more serious problem?  Should we fail rather than making the best of it and carrying on silently?