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authorGreg Kurz <groug@kaod.org>2017-09-11 22:52:06 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2017-09-15 10:29:48 +1000
commit1bbadc759e23ef8629ef955a4b78f06da2e5a381 (patch)
tree69f9533de5cb9b12f763ba30295f9c68813be201
parenta1a6bbde4f6a29368f8f605cea2e73630ec1bc7c (diff)
downloadfocaccia-qemu-1bbadc759e23ef8629ef955a4b78f06da2e5a381.tar.gz
focaccia-qemu-1bbadc759e23ef8629ef955a4b78f06da2e5a381.zip
spapr_cpu_core: fail gracefully with non-pseries machine types
Since commit 7cca3e466eb0 ("ppc: spapr: Move VCPU ID calculation into
sPAPR"), QEMU aborts when started with a *-spapr-cpu-core device and
a non-pseries machine.

Let's rely on the already existing call to object_dynamic_cast() instead
of using the SPAPR_MACHINE() macro.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to '')
-rw-r--r--hw/ppc/spapr_cpu_core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 85037ef71e..3f7ef20910 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -213,7 +213,7 @@ error:
 
 static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
 {
-    sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+    sPAPRMachineState *spapr;
     sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
     sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
     CPUCore *cc = CPU_CORE(OBJECT(dev));
@@ -223,7 +223,8 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
     void *obj;
     int i, j;
 
-    if (!object_dynamic_cast(qdev_get_machine(), TYPE_SPAPR_MACHINE)) {
+    spapr = (sPAPRMachineState *) qdev_get_machine();
+    if (!object_dynamic_cast((Object *) spapr, TYPE_SPAPR_MACHINE)) {
         error_setg(errp, "spapr-cpu-core needs a pseries machine");
         return;
     }