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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Sergio Lopez" <slp@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	qemu-trivial@nongnu.org,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH 2/4] hw/i386/microvm: Simplify using object_dynamic_cast()
Date: Tue, 23 May 2023 08:12:05 +0200	[thread overview]
Message-ID: <20230523061207.48818-3-philmd@linaro.org> (raw)
In-Reply-To: <20230523061207.48818-1-philmd@linaro.org>

Use object_dynamic_cast() to determine if 'dev' is a TYPE_VIRTIO_MMIO.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/i386/microvm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 3d606a20b4..7227a2156c 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -389,9 +389,8 @@ static void microvm_fix_kernel_cmdline(MachineState *machine)
     bus = sysbus_get_default();
     QTAILQ_FOREACH(kid, &bus->children, sibling) {
         DeviceState *dev = kid->child;
-        ObjectClass *class = object_get_class(OBJECT(dev));
 
-        if (class == object_class_by_name(TYPE_VIRTIO_MMIO)) {
+        if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_MMIO)) {
             VirtIOMMIOProxy *mmio = VIRTIO_MMIO(OBJECT(dev));
             VirtioBusState *mmio_virtio_bus = &mmio->bus;
             BusState *mmio_bus = &mmio_virtio_bus->parent_obj;
-- 
2.38.1



  parent reply	other threads:[~2023-05-23  6:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-23  6:12 [PATCH 0/4] hw: Minor simplifications using proper QOM getter macros Philippe Mathieu-Daudé
2023-05-23  6:12 ` [PATCH 1/4] hw/core/cpu: Simplify realize() using MACHINE_GET_CLASS() macro Philippe Mathieu-Daudé
2023-05-23 18:22   ` Richard Henderson
2023-05-23  6:12 ` Philippe Mathieu-Daudé [this message]
2023-05-23 18:22   ` [PATCH 2/4] hw/i386/microvm: Simplify using object_dynamic_cast() Richard Henderson
2023-05-26  8:35   ` Sergio Lopez
2023-05-23  6:12 ` [PATCH 3/4] hw/pci/pci: Simplify pci_bar_address() using MACHINE_GET_CLASS() macro Philippe Mathieu-Daudé
2023-05-23 18:23   ` Richard Henderson
2023-05-23  6:12 ` [PATCH 4/4] hw/usb/hcd-ehci-pci: Simplify using DEVICE_GET_CLASS() macro Philippe Mathieu-Daudé
2023-05-23 18:24   ` Richard Henderson
2023-06-08 18:41 ` [PATCH 0/4] hw: Minor simplifications using proper QOM getter macros Michael Tokarev
2023-06-22 20:33   ` Michael S. Tsirkin
2023-06-23  7:00     ` Michael Tokarev

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