From: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Fri, 20 Oct 2023 13:03:22 +0000 (+0200)
Subject: hw/sd/pxa2xx: Realize sysbus device before accessing it
X-Git-Tag: qemu-xen-4.20.0~463^2~21
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=85500a1aef1cdfb2878d88a3d88db56ad972fb60;p=qemu-xen.git

hw/sd/pxa2xx: Realize sysbus device before accessing it

sysbus_mmio_map() and sysbus_connect_irq() should not be
called on unrealized device.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231020130331.50048-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c
index 124fbf8bbd..9f7a880bac 100644
--- a/hw/sd/pxa2xx_mmci.c
+++ b/hw/sd/pxa2xx_mmci.c
@@ -483,11 +483,11 @@ PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem,
 
     dev = qdev_new(TYPE_PXA2XX_MMCI);
     sbd = SYS_BUS_DEVICE(dev);
+    sysbus_realize_and_unref(sbd, &error_fatal);
     sysbus_mmio_map(sbd, 0, base);
     sysbus_connect_irq(sbd, 0, irq);
     qdev_connect_gpio_out_named(dev, "rx-dma", 0, rx_dma);
     qdev_connect_gpio_out_named(dev, "tx-dma", 0, tx_dma);
-    sysbus_realize_and_unref(sbd, &error_fatal);
 
     return PXA2XX_MMCI(dev);
 }