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From f6968c5837e2201172968a49dcd7cd10e1e5a337 Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Fri, 20 Oct 2017 18:29:11 +0200
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Subject: [PATCH 06/19] xio3130_downstream: Report error if
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pcie_chassis_add_slot() failed
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RH-Author: Eduardo Habkost <ehabkost@redhat.com>
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Message-id: <20171020182917.10771-2-ehabkost@redhat.com>
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Patchwork-id: 77421
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O-Subject: [RHV7.5 qemu-kvm-rhev PATCH v2 1/7] xio3130_downstream: Report error if pcie_chassis_add_slot() failed
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Bugzilla: 1390348
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RH-Acked-by: Marcel Apfelbaum <marcel@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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On commit f8cd1b02 ("pci: Convert to realize"), no error_set*()
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call was added for the pcie_chassis_add_slot() error case.
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pcie_chassis_add_slot() errors get ignored, making QEMU crash
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later. e.g.:
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$ qemu-system-x86_64 -device ioh3420 -device xio3130-downstream
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qemu-system-x86_64: memory.c:2166: memory_region_del_subregion: Assertion `subregion->container == mr' failed.
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Aborted (core dumped)
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Fix it by reporting the error using error_setg().
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Fixes: f8cd1b0201c41d88bb97dcafb80348a0e88d8805
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 8b3d26342c4aa171e759e6392fe3b742759d4963)
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/pci-bridge/xio3130_downstream.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c
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index e706f36..5a882b0 100644
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--- a/hw/pci-bridge/xio3130_downstream.c
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+++ b/hw/pci-bridge/xio3130_downstream.c
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@@ -94,6 +94,7 @@ static void xio3130_downstream_realize(PCIDevice *d, Error **errp)
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pcie_chassis_create(s->chassis);
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rc = pcie_chassis_add_slot(s);
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if (rc < 0) {
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+ error_setg(errp, "Can't add chassis slot, error %d", rc);
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goto err_pcie_cap;
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}
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--
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1.8.3.1
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