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[PATCH v8 03/17] hw/i386/amd_iommu: Omit errp for pci_add_capability
From: |
Akihiko Odaki |
Subject: |
[PATCH v8 03/17] hw/i386/amd_iommu: Omit errp for pci_add_capability |
Date: |
Tue, 1 Nov 2022 22:57:35 +0900 |
Omitting errp for pci_add_capability() causes it to abort if
capabilities overlap. This behavior is appropriate here because all of
the capabilities set in this device are defined in the program and
their overlap should not happen unless there is a programming error.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
hw/i386/amd_iommu.c | 21 ++++-----------------
1 file changed, 4 insertions(+), 17 deletions(-)
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 725f69095b..8a88cbea0a 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -1539,7 +1539,6 @@ static void amdvi_sysbus_reset(DeviceState *dev)
static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
{
- int ret = 0;
AMDVIState *s = AMD_IOMMU_DEVICE(dev);
MachineState *ms = MACHINE(qdev_get_machine());
PCMachineState *pcms = PC_MACHINE(ms);
@@ -1553,23 +1552,11 @@ static void amdvi_sysbus_realize(DeviceState *dev,
Error **errp)
if (!qdev_realize(DEVICE(&s->pci), &bus->qbus, errp)) {
return;
}
- ret = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0,
- AMDVI_CAPAB_SIZE, errp);
- if (ret < 0) {
- return;
- }
- s->capab_offset = ret;
+ s->capab_offset = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0,
+ AMDVI_CAPAB_SIZE);
- ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_MSI, 0,
- AMDVI_CAPAB_REG_SIZE, errp);
- if (ret < 0) {
- return;
- }
- ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_HT, 0,
- AMDVI_CAPAB_REG_SIZE, errp);
- if (ret < 0) {
- return;
- }
+ pci_add_capability(&s->pci.dev, PCI_CAP_ID_MSI, 0, AMDVI_CAPAB_REG_SIZE);
+ pci_add_capability(&s->pci.dev, PCI_CAP_ID_HT, 0, AMDVI_CAPAB_REG_SIZE);
/* Pseudo address space under root PCI bus. */
x86ms->ioapic_as = amdvi_host_dma_iommu(bus, s, AMDVI_IOAPIC_SB_DEVID);
--
2.38.1
- [PATCH v8 00/17] pci: Abort if pci_add_capability fails, Akihiko Odaki, 2022/11/01
- [PATCH v8 01/17] hw/vfio/pci: Ensure MSI and MSI-X do not overlap, Akihiko Odaki, 2022/11/01
- [PATCH v8 02/17] pci: Allow to omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 03/17] hw/i386/amd_iommu: Omit errp for pci_add_capability,
Akihiko Odaki <=
- [PATCH v8 04/17] ahci: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 05/17] e1000e: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 06/17] eepro100: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 07/17] hw/nvme: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 08/17] msi: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 09/17] hw/pci/pci_bridge: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 10/17] pcie: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 11/17] pci/shpc: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 12/17] msix: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01
- [PATCH v8 13/17] pci/slotid: Omit errp for pci_add_capability, Akihiko Odaki, 2022/11/01