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Re: [Qemu-devel] [PATCH] pci: Merge pci_nic_init() into pci_nic_init_nof
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] pci: Merge pci_nic_init() into pci_nic_init_nofail() |
Date: |
Tue, 28 Apr 2015 13:42:44 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 28/04/2015 12:50, Thomas Huth wrote:
> The error reporting in pci_nic_init() is quite erratic: Some errors
> are printed directly with error_report(), and some are passed back
> to the caller pci_nic_init_nofail() via an Error pointer.
> Since pci_nic_init() is only used by pci_nic_init_nofail(), the
> functions can be simply merged to clean up this inconsistency.
>
> Signed-off-by: Thomas Huth <address@hidden>
> ---
> hw/pci/pci.c | 43 ++++++++++++++-----------------------------
> 1 file changed, 14 insertions(+), 29 deletions(-)
I agree that, for a _nofail function, it makes sense to remove the
Error** altogether...
Paolo
> diff --git a/hw/pci/pci.c b/hw/pci/pci.c
> index b3d5100..56947ae 100644
> --- a/hw/pci/pci.c
> +++ b/hw/pci/pci.c
> @@ -1611,28 +1611,32 @@ static const char * const pci_nic_names[] = {
> };
>
> /* Initialize a PCI NIC. */
> -static PCIDevice *pci_nic_init(NICInfo *nd, PCIBus *rootbus,
> +PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus,
> const char *default_model,
> - const char *default_devaddr,
> - Error **errp)
> + const char *default_devaddr)
> {
> const char *devaddr = nd->devaddr ? nd->devaddr : default_devaddr;
> Error *err = NULL;
> PCIBus *bus;
> - int devfn;
> PCIDevice *pci_dev;
> DeviceState *dev;
> + int devfn;
> int i;
>
> + if (qemu_show_nic_models(nd->model, pci_nic_models)) {
> + exit(0);
> + }
> +
> i = qemu_find_nic_model(nd, pci_nic_models, default_model);
> - if (i < 0)
> - return NULL;
> + if (i < 0) {
> + exit(1);
> + }
>
> bus = pci_get_bus_devfn(&devfn, rootbus, devaddr);
> if (!bus) {
> error_report("Invalid PCI device address %s for device %s",
> devaddr, pci_nic_names[i]);
> - return NULL;
> + exit(1);
> }
>
> pci_dev = pci_create(bus, devfn, pci_nic_names[i]);
> @@ -1641,31 +1645,12 @@ static PCIDevice *pci_nic_init(NICInfo *nd, PCIBus
> *rootbus,
>
> object_property_set_bool(OBJECT(dev), true, "realized", &err);
> if (err) {
> - error_propagate(errp, err);
> + error_report_err(err);
> object_unparent(OBJECT(dev));
> - return NULL;
> - }
> - return pci_dev;
> -}
> -
> -PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus,
> - const char *default_model,
> - const char *default_devaddr)
> -{
> - Error *err = NULL;
> - PCIDevice *res;
> -
> - if (qemu_show_nic_models(nd->model, pci_nic_models))
> - exit(0);
> -
> - res = pci_nic_init(nd, rootbus, default_model, default_devaddr, &err);
> - if (!res) {
> - if (err) {
> - error_report_err(err);
> - }
> exit(1);
> }
> - return res;
> +
> + return pci_dev;
> }
>
> PCIDevice *pci_vga_init(PCIBus *bus)
>