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[Stable-7.2.8,09/24] hw/virtio: Free VirtIOIOMMUPCI::vdev.reserved_regions[] on finalize()

Message ID 20231213130041.1024630-9-mjt@tls.msk.ru
State New
Headers show
Series [Stable-7.2.8,01/24] target/arm: Fix SME FMOPA (16-bit), BFMOPA | expand

Commit Message

Michael Tokarev Dec. 13, 2023, 1 p.m. UTC 
From: Philippe Mathieu-Daudé <philmd@linaro.org>

Commit 0be6bfac62 ("qdev: Implement variable length array properties")
added the DEFINE_PROP_ARRAY() macro with the following comment:

  * It is the responsibility of the device deinit code to free the
  * @_arrayfield memory.

Commit 8077b8e549 added:

  DEFINE_PROP_ARRAY("reserved-regions", VirtIOIOMMUPCI,
                    vdev.nb_reserved_regions, vdev.reserved_regions,
                    qdev_prop_reserved_region, ReservedRegion),

but forgot to free the 'vdev.reserved_regions' array. Do it in the
instance_finalize() handler.

Cc: qemu-stable@nongnu.org
Fixes: 8077b8e549 ("virtio-iommu-pci: Add array of Interval properties") # v5.1.0+
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20231121174051.63038-3-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit c9a4aa06dfce0fde1e279e1ea0c1945582ec0d16)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(Mjt: fixup hw/virtio/virtio-iommu-pci.c for before v8.1.0-2552-g41cc70cdf5,
 "virtio-iommu: Rename reserved_regions into prop_resv_regions" -- so now
 patch subject matches actual change again)
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Patch

diff --git a/hw/virtio/virtio-iommu-pci.c b/hw/virtio/virtio-iommu-pci.c
index 7ef2f9dcdb..eab6e1c793 100644
--- a/hw/virtio/virtio-iommu-pci.c
+++ b/hw/virtio/virtio-iommu-pci.c
@@ -95,10 +95,18 @@  static void virtio_iommu_pci_instance_init(Object *obj)
                                 TYPE_VIRTIO_IOMMU);
 }
 
+static void virtio_iommu_pci_instance_finalize(Object *obj)
+{
+    VirtIOIOMMUPCI *dev = VIRTIO_IOMMU_PCI(obj);
+
+    g_free(dev->vdev.reserved_regions);
+}
+
 static const VirtioPCIDeviceTypeInfo virtio_iommu_pci_info = {
     .generic_name  = TYPE_VIRTIO_IOMMU_PCI,
     .instance_size = sizeof(VirtIOIOMMUPCI),
     .instance_init = virtio_iommu_pci_instance_init,
+    .instance_finalize = virtio_iommu_pci_instance_finalize,
     .class_init    = virtio_iommu_pci_class_init,
 };