[PATCH 12/12] hw/sysbus: Ensure device is realized before mapping it

[Philippe Mathieu-Daudé]

sysbus_mmio_map() should not be called on unrealized device.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/core/sysbus.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index ce54e2c416..a46828a808 100644
--- a/hw/core/sysbus.c
+++ b/hw/core/sysbus.c
@@ -20,6 +20,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu/module.h"
+#include "qemu/error-report.h"
 #include "hw/sysbus.h"
 #include "monitor/monitor.h"
 #include "exec/address-spaces.h"
@@ -132,6 +133,13 @@ static void sysbus_mmio_map_common(SysBusDevice *dev, int 
n, hwaddr addr,
 {
     assert(n >= 0 && n < dev->num_mmio);
 
+    if (!DEVICE(dev)->realized) {
+        error_report("sysbus_mmio_map(type:%s, index:%d, 
addr:0x%"HWADDR_PRIx","
+                     " prio:%d) but object is not realized",
+                     object_get_typename(OBJECT(dev)), n, addr, priority);
+        abort();
+    }
+
     if (dev->mmio[n].addr == addr) {
         /* ??? region already mapped here.  */
         return;
-- 
2.41.0