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From c66f28ded3ebb8926eeed2ce6abea53053359c99 Mon Sep 17 00:00:00 2001
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From: Cornelia Huck <cohuck@redhat.com>
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Date: Wed, 17 Apr 2019 13:57:24 +0100
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Subject: [PATCH 07/24] s390x/pci: properly fail if the zPCI device cannot be
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created
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RH-Author: Cornelia Huck <cohuck@redhat.com>
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Message-id: <20190417135741.25297-8-cohuck@redhat.com>
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Patchwork-id: 85792
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O-Subject: [RHEL-8.1.0 qemu-kvm PATCH v2 07/24] s390x/pci: properly fail if the zPCI device cannot be created
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Bugzilla: 1699070
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
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From: David Hildenbrand <david@redhat.com>
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Right now, errors during realize()/pre_plug/plug of the zPCI device
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would result in QEMU crashing instead of failing nicely when creating
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a zPCI device for a PCI device.
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Reviewed-by: Collin Walling <walling@linux.ibm.com>
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Signed-off-by: David Hildenbrand <david@redhat.com>
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Message-Id: <20181113121710.18490-1-david@redhat.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit b6e67ecc7b6e8938982ab94820c079f24845f623)
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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Changes:
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We don't have 4b5766488f ("error: Fix use of error_prepend() with
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&error_fatal, &error_abort") downstream.
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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hw/s390x/s390-pci-bus.c | 25 +++++++++++++++++++------
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1 file changed, 19 insertions(+), 6 deletions(-)
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diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
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index f253774..e6f5d91 100644
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--- a/hw/s390x/s390-pci-bus.c
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+++ b/hw/s390x/s390-pci-bus.c
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@@ -780,17 +780,31 @@ static void s390_pci_msix_free(S390PCIBusDevice *pbdev)
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}
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static S390PCIBusDevice *s390_pci_device_new(S390pciState *s,
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- const char *target)
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+ const char *target, Error **errp)
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{
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- DeviceState *dev = NULL;
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+ Error *local_err = NULL;
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+ DeviceState *dev;
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dev = qdev_try_create(BUS(s->bus), TYPE_S390_PCI_DEVICE);
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if (!dev) {
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+ error_setg(errp, "zPCI device could not be created");
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return NULL;
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}
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- qdev_prop_set_string(dev, "target", target);
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- qdev_init_nofail(dev);
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+ object_property_set_str(OBJECT(dev), target, "target", &local_err);
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+ if (local_err) {
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+ object_unparent(OBJECT(dev));
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+ error_prepend(&local_err, "zPCI device could not be created: ");
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+ error_propagate(errp, local_err);
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+ return NULL;
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+ }
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+ object_property_set_bool(OBJECT(dev), true, "realized", &local_err);
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+ if (local_err) {
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+ object_unparent(OBJECT(dev));
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+ error_prepend(&local_err, "zPCI device could not be created: ");
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+ error_propagate(errp, local_err);
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+ return NULL;
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+ }
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return S390_PCI_DEVICE(dev);
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}
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@@ -865,9 +879,8 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
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pbdev = s390_pci_find_dev_by_target(s, dev->id);
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if (!pbdev) {
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- pbdev = s390_pci_device_new(s, dev->id);
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+ pbdev = s390_pci_device_new(s, dev->id, errp);
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if (!pbdev) {
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- error_setg(errp, "create zpci device failed");
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return;
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}
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}
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--
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1.8.3.1
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