target-m68k: Catch attempt to instantiate abstract type in cpu_init()

This fixes -cpu m68k-cpu asserting. Cc: qemu-stable@nongnu.org Signed-off-by: Andreas Färber <afaerber@suse.de>
qemu · Jan 27, 2013 · cae8506 · cae8506
1 parent 245fb54
commit cae8506
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
@@ -64,7 +64,8 @@ static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model)
     }
 
     oc = object_class_by_name(cpu_model);
-    if (oc != NULL && object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL) {
+    if (oc != NULL && (object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL ||
+                       object_class_is_abstract(oc))) {
         return NULL;
     }
     return oc;