[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v7 9/9] i386/kvm/pci-assign: Use errp directly rathe
From: |
Mao Zhongyi |
Subject: |
[Qemu-devel] [PATCH v7 9/9] i386/kvm/pci-assign: Use errp directly rather than local_err |
Date: |
Tue, 27 Jun 2017 14:16:55 +0800 |
In assigned_device_pci_cap_init(), first, error messages are filled
to a local_err variable, then through error_propagate() pass to
the parameter of errp. It leads to cumbersome code. In order to
avoid the extra local_err and error_propagate(), drop it and use
errp instead.
Cc: address@hidden
Cc: address@hidden
Cc: address@hidden
Cc: address@hidden
Cc: address@hidden
Cc: address@hidden
Signed-off-by: Mao Zhongyi <address@hidden>
Reviewed-by: Marcel Apfelbaum <address@hidden>
---
hw/i386/kvm/pci-assign.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index b7fdb47..9f2615c 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -1232,7 +1232,6 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
AssignedDevice *dev = PCI_ASSIGN(pci_dev);
PCIRegion *pci_region = dev->real_device.regions;
int ret, pos;
- Error *local_err = NULL;
/* Clear initial capabilities pointer and status copied from hw */
pci_set_byte(pci_dev->config + PCI_CAPABILITY_LIST, 0);
@@ -1251,9 +1250,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
dev->cap.available |= ASSIGNED_DEVICE_CAP_MSI;
/* Only 32-bit/no-mask currently supported */
ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSI, pos, 10,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
pci_dev->msi_cap = pos;
@@ -1283,9 +1281,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
dev->dev.cap_present |= QEMU_PCI_CAP_MSIX;
dev->cap.available |= ASSIGNED_DEVICE_CAP_MSIX;
ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSIX, pos, 12,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
pci_dev->msix_cap = pos;
@@ -1313,9 +1310,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
uint16_t pmc;
ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, pos, PCI_PM_SIZEOF,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
@@ -1381,9 +1377,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
}
ret = pci_add_capability(pci_dev, PCI_CAP_ID_EXP, pos, size,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
@@ -1457,9 +1452,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
/* Only expose the minimum, 8 byte capability */
ret = pci_add_capability(pci_dev, PCI_CAP_ID_PCIX, pos, 8,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
@@ -1485,9 +1479,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
if (pos) {
/* Direct R/W passthrough */
ret = pci_add_capability(pci_dev, PCI_CAP_ID_VPD, pos, 8,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
@@ -1503,9 +1496,8 @@ static int assigned_device_pci_cap_init(PCIDevice
*pci_dev, Error **errp)
uint8_t len = pci_get_byte(pci_dev->config + pos + PCI_CAP_FLAGS);
/* Direct R/W passthrough */
ret = pci_add_capability(pci_dev, PCI_CAP_ID_VNDR, pos, len,
- &local_err);
+ errp);
if (ret < 0) {
- error_propagate(errp, local_err);
return ret;
}
--
2.9.4
- [Qemu-devel] [PATCH v7 0/9] Convert to realize and cleanup, Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 3/9] pci: Fix the wrong assertion., Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 4/9] pci: Make errp the last parameter of pci_add_capability(), Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 1/9] pci: Clean up error checking in pci_add_capability(), Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 8/9] i386/kvm/pci-assign: Fix return type of verify_irqchip_kernel(), Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 7/9] pci: Convert shpc_init() to Error, Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 6/9] pci: Convert to realize, Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 5/9] pci: Replace pci_add_capability2() with pci_add_capability(), Mao Zhongyi, 2017/06/27
- [Qemu-devel] [PATCH v7 9/9] i386/kvm/pci-assign: Use errp directly rather than local_err,
Mao Zhongyi <=
- [Qemu-devel] [PATCH v7 2/9] pci: Add comment for pci_add_capability2(), Mao Zhongyi, 2017/06/27