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| author | Mao Zhongyi <maozy.fnst@cn.fujitsu.com> | 2017-06-27 14:16:50 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-07-03 22:29:49 +0300 |
| commit | 9a7c2a59708f0d691569463b161e1b516948a41e (patch) | |
| tree | 05947d2878c9974c6ab1d273aef2d73b0f0cf894 /hw/i386/amd_iommu.c | |
| parent | 9a815774bb37d7290d2fa45a8cc313e9e9fdaa23 (diff) | |
| download | qemu-9a7c2a59708f0d691569463b161e1b516948a41e.tar.gz | |
pci: Make errp the last parameter of pci_add_capability()
Add Error argument for pci_add_capability() to leverage the errp
to pass info on errors. This way is helpful for its callers to
make a better error handling when moving to 'realize'.
Cc: pbonzini@redhat.com
Cc: rth@twiddle.net
Cc: ehabkost@redhat.com
Cc: mst@redhat.com
Cc: jasowang@redhat.com
Cc: marcel@redhat.com
Cc: alex.williamson@redhat.com
Cc: armbru@redhat.com
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/amd_iommu.c')
| -rw-r--r-- | hw/i386/amd_iommu.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 7b6d4ea3f3..d93ffc2a15 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -1158,13 +1158,23 @@ static void amdvi_realize(DeviceState *dev, Error **err) x86_iommu->type = TYPE_AMD; qdev_set_parent_bus(DEVICE(&s->pci), &bus->qbus); object_property_set_bool(OBJECT(&s->pci), true, "realized", err); - s->capab_offset = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0, - AMDVI_CAPAB_SIZE); - assert(s->capab_offset > 0); - ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_MSI, 0, AMDVI_CAPAB_REG_SIZE); - assert(ret > 0); - ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_HT, 0, AMDVI_CAPAB_REG_SIZE); - assert(ret > 0); + ret = pci_add_capability(&s->pci.dev, AMDVI_CAPAB_ID_SEC, 0, + AMDVI_CAPAB_SIZE, err); + if (ret < 0) { + return; + } + s->capab_offset = ret; + + ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_MSI, 0, + AMDVI_CAPAB_REG_SIZE, err); + if (ret < 0) { + return; + } + ret = pci_add_capability(&s->pci.dev, PCI_CAP_ID_HT, 0, + AMDVI_CAPAB_REG_SIZE, err); + if (ret < 0) { + return; + } /* set up MMIO */ memory_region_init_io(&s->mmio, OBJECT(s), &mmio_mem_ops, s, "amdvi-mmio", |