[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v3 02/16] hw/i386/amd_iommu: Omit errp for pci_add_capability
From: |
Akihiko Odaki |
Subject: |
[PATCH v3 02/16] hw/i386/amd_iommu: Omit errp for pci_add_capability |
Date: |
Thu, 27 Oct 2022 05:15:13 +0900 |
Omitting errp for pci_add_capability() causes it to abort if
capabilities overlap. This behavior is appropriate heare 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);
--
2.37.3
- [PATCH v3 00/16] pci: Abort if pci_add_capability fails, Akihiko Odaki, 2022/10/26
- [PATCH v3 01/16] pci: Allow to omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 03/16] ahci: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 02/16] hw/i386/amd_iommu: Omit errp for pci_add_capability,
Akihiko Odaki <=
- [PATCH v3 05/16] eepro100: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 07/16] msi: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 06/16] hw/nvme: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 04/16] e1000e: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 10/16] pci/shpc: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 11/16] msix: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 12/16] pci/slotid: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 13/16] hw/pci-bridge/pcie_pci_bridge: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26
- [PATCH v3 08/16] hw/pci/pci_bridge: Omit errp for pci_add_capability, Akihiko Odaki, 2022/10/26