We will have to set QOM properties before accel_init_machine, based on the
options provided to -accel.  Construct the object outside it so that it
will be possible to iterate on properties between object_new_with_class
and accel_init_machine.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 accel/accel.c          | 4 ++--
 include/sysemu/accel.h | 2 +-
 vl.c                   | 4 +++-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/accel/accel.c b/accel/accel.c
index dd38a46..1c5c3a6 100644
--- a/accel/accel.c
+++ b/accel/accel.c
@@ -46,9 +46,9 @@ AccelClass *accel_find(const char *opt_name)
     return ac;
 }
 
-int accel_init_machine(AccelClass *acc, MachineState *ms)
+int accel_init_machine(AccelState *accel, MachineState *ms)
 {
-    AccelState *accel = ACCEL(object_new_with_class(OBJECT_CLASS(acc)));
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
     int ret;
     ms->accelerator = accel;
     *(acc->allowed) = true;
diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h
index 90b6213..22cac0f 100644
--- a/include/sysemu/accel.h
+++ b/include/sysemu/accel.h
@@ -67,7 +67,7 @@ typedef struct AccelClass {
 extern unsigned long tcg_tb_size;
 
 AccelClass *accel_find(const char *opt_name);
-int accel_init_machine(AccelClass *acc, MachineState *ms);
+int accel_init_machine(AccelState *accel, MachineState *ms);
 
 /* Called just before os_setup_post (ie just before drop OS privs) */
 void accel_setup_post(MachineState *ms);
diff --git a/vl.c b/vl.c
index 65e6b75..b2f00cc 100644
--- a/vl.c
+++ b/vl.c
@@ -2716,6 +2716,7 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
     bool *p_init_failed = opaque;
     const char *acc = qemu_opt_get(opts, "accel");
     AccelClass *ac = accel_find(acc);
+    AccelState *accel;
     int ret;
 
     if (!ac) {
@@ -2723,7 +2724,8 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
         error_report("invalid accelerator %s", acc);
         return 0;
     }
-    ret = accel_init_machine(ac, current_machine);
+    accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
+    ret = accel_init_machine(accel, current_machine);
     if (ret < 0) {
         *p_init_failed = true;
         error_report("failed to initialize %s: %s",
-- 
1.8.3.1