[PATCH 09/10] qemu: command: Prepare memory device def formatter for missing target node

[Peter Krempa <pkrempa@xxxxxxxxxx>]

Prepare the command line generator for the possibility that in some
configurations the target NUMA node info will be missing.
---
 src/qemu/qemu_command.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 5e7b052..9815732 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5331,8 +5331,13 @@ qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem)

     switch ((virDomainMemoryModel) mem->model) {
     case VIR_DOMAIN_MEMORY_MODEL_DIMM:
-        virBufferAsprintf(&buf, "pc-dimm,node=%d,memdev=mem%s,id=%s",
-                          mem->targetNode, mem->info.alias, mem->info.alias);
+        virBufferAddLit(&buf, "pc-dimm,");
+
+        if (mem->targetNode >= 0)
+            virBufferAsprintf(&buf, "node=%d,", mem->targetNode);
+
+        virBufferAsprintf(&buf, "memdev=mem%s,id=%s",
+                          mem->info.alias, mem->info.alias);

         if (mem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM) {
             virBufferAsprintf(&buf, ",slot=%d", mem->info.addr.dimm.slot);
-- 
2.4.5

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