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qemudDomainAttachSCSIDisk: avoid FP NULL-ptr-deref from clang

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* src/util/conf.c (virConfParseValue): Add an sa_assert.
This commit is contained in:
Jim Meyering 2010-04-07 20:54:50 +02:00
parent 18fa9b18bc
commit c593aef7bc
1 changed files with 8 additions and 1 deletions
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9
src/util/conf.c
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@ -1,7 +1,7 @@
/**
* conf.c: parser for a subset of the Python encoded Xen configuration files
*
* Copyright (C) 2006, 2007, 2008, 2009 Red Hat, Inc.
* Copyright (C) 2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
*
* See COPYING.LIB for the License of this software
*
@ -473,6 +473,13 @@ virConfParseValue(virConfParserCtxtPtr ctxt)
SKIP_BLANKS_AND_EOL;
}
while ((ctxt->cur < ctxt->end) && (CUR != ']')) {
/* Tell Clang that when execution reaches this point
"lst" is guaranteed to be non-NULL. This stops it
from issuing an invalid NULL-dereference warning about
"prev = lst; while (prev->next..." below. */
sa_assert (lst);
if (CUR != ',') {
virConfError(ctxt, VIR_ERR_CONF_SYNTAX,
_("expecting a separator in list"));