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pc-dimm: validate node property 

If user specifies a node number that exceeds the available numa nodes in
emulated system for pc-dimm device, the device will report an invalid _PXM
to OSPM. Fix this by checking the node property value.

Cc: qemu-stable@nongnu.org
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit cfe0ffd027)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Hu Tao 2014-08-04 16:16:08 +08:00 committed by Michael Roth
parent 7c68c5402a
commit 044af98ea8
1 changed files with 5 additions and 0 deletions
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5
hw/mem/pc-dimm.c
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@ -252,6 +252,11 @@ static void pc_dimm_realize(DeviceState *dev, Error **errp)
error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set"); error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set");
return; return;
} }
if (dimm->node >= nb_numa_nodes) {
error_setg(errp, "'" PC_DIMM_NODE_PROP
"' exceeds numa node number: %" PRId32, nb_numa_nodes);
return;
}
} }
static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm) static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm)