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xen_hypervisor.c: avoid NULL deref for NULL domain argument

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* src/xen/xen_hypervisor.c (xenHypervisorGetVcpus): Don't attempt
to diagnose an unlikely NULL-domain or NULL-domain->conn error.
This commit is contained in:
Jim Meyering 2010-01-26 20:17:07 +01:00
parent 23d6abd23b
commit b62bf7a700
1 changed files with 2 additions and 5 deletions
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7
src/xen/xen_hypervisor.c
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@ -1,7 +1,7 @@
/* /*
* xen_internal.c: direct access to Xen hypervisor level * xen_internal.c: direct access to Xen hypervisor level
* *
* Copyright (C) 2005, 2006, 2007, 2008, 2009 Red Hat, Inc. * Copyright (C) 2005-2010 Red Hat, Inc.
* *
* See COPYING.LIB for the License of this software * See COPYING.LIB for the License of this software
* *
@ -3477,11 +3477,8 @@ xenHypervisorGetVcpus(virDomainPtr domain, virVcpuInfoPtr info, int maxinfo,
virVcpuInfoPtr ipt; virVcpuInfoPtr ipt;
int nbinfo, i; int nbinfo, i;
if (domain == NULL || domain->conn == NULL) { if (domain == NULL || domain->conn == NULL)
virXenErrorFunc (domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
"invalid argument", 0);
return -1; return -1;
}
priv = (xenUnifiedPrivatePtr) domain->conn->privateData; priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
if (priv->handle < 0 || (domain->id < 0) || if (priv->handle < 0 || (domain->id < 0) ||