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

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This fixes -cpu m68k-cpu asserting.

Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-01-23 12:36:31 +01:00
parent 245fb54db5
commit cae85065a4
1 changed files with 2 additions and 1 deletions
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target-m68k/cpu.c
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@ -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;