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virsh: Resolve possible NULL dereference 

Coverity found that commit '41b5e845' had a possible NULL dereference on
arg->data processing
This commit is contained in:
John Ferlan 2013-02-13 07:49:29 -05:00
parent 277aaeeebf
commit 1d816219eb
1 changed files with 2 additions and 2 deletions
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4
tools/virsh.c
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@ -1,7 +1,7 @@
/*
* virsh.c: a shell to exercise the libvirt API
*
* Copyright (C) 2005, 2007-2012 Red Hat, Inc.
* Copyright (C) 2005, 2007-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -1475,7 +1475,7 @@ vshCommandOptStringReq(vshControl *ctl,
if (!arg->data)
error = N_("Programming error: Requested option is a boolean");
if (!*arg->data && !(arg->def->flags & VSH_OFLAG_EMPTY_OK))
if (arg->data && !*arg->data && !(arg->def->flags & VSH_OFLAG_EMPTY_OK))
error = N_("Option argument is empty");
if (error) {