hw/arm/pxa2xx: move timer_new from init() into realize() to avoid mem…

…leaks

There are some memleaks when we call 'device_list_properties'. This patch move timer_new from init into realize to fix it.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-id: 20200227025055.14341-3-pannengyuan@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/pxa2xx.c

@@ -1134,18 +1134,22 @@ static void pxa2xx_rtc_init(Object *obj)
     s->last_rtcpicr = 0;
     s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
 
+    sysbus_init_irq(dev, &s->rtc_irq);
+
+    memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
+                          "pxa2xx-rtc", 0x10000);
+    sysbus_init_mmio(dev, &s->iomem);
+}
+
+static void pxa2xx_rtc_realize(DeviceState *dev, Error **errp)
+{
+    PXA2xxRTCState *s = PXA2XX_RTC(dev);
     s->rtc_hz    = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick,    s);
     s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
     s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
     s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
     s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
     s->rtc_pi    = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick,    s);
-
-    sysbus_init_irq(dev, &s->rtc_irq);
-
-    memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
-                          "pxa2xx-rtc", 0x10000);
-    sysbus_init_mmio(dev, &s->iomem);
 }
 
 static int pxa2xx_rtc_pre_save(void *opaque)
@@ -1203,6 +1207,7 @@ static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
 
     dc->desc = "PXA2xx RTC Controller";
     dc->vmsd = &vmstate_pxa2xx_rtc_regs;
+    dc->realize = pxa2xx_rtc_realize;
 }
 
 static const TypeInfo pxa2xx_rtc_sysbus_info = {