[PATCH v2 1/5] hw/intc/apic: Use ERRP_GUARD() in apic_common_realize()

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

APICCommonClass::realize() is a DeviceRealize() handler which
take an Error** parameter and can fail. Do not proceed further
on failure.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/intc/apic_common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 68ad30e2f5..bccb4241c2 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -257,6 +257,7 @@ static const VMStateDescription vmstate_apic_common;
 
 static void apic_common_realize(DeviceState *dev, Error **errp)
 {
+    ERRP_GUARD();
     APICCommonState *s = APIC_COMMON(dev);
     APICCommonClass *info;
     static DeviceState *vapic;
@@ -267,6 +268,9 @@ static void apic_common_realize(DeviceState *dev, Error **errp)
 
     info = APIC_COMMON_GET_CLASS(s);
     info->realize(dev, errp);
+    if (*errp) {
+        return;
+    }
 
     /* Note: We need at least 1M to map the VAPIC option ROM */
     if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK &&
-- 
2.41.0