pci: Convert shpc_init() to Error

In order to propagate error message better, convert shpc_init() to
Error also convert the pci_bridge_dev_initfn() to realize.

Cc: mst@redhat.com
Cc: marcel@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>
This commit is contained in:
Mao Zhongyi 2017-06-27 14:16:53 +08:00 committed by Michael S. Tsirkin
parent f8cd1b0201
commit 344475e77d
5 changed files with 20 additions and 22 deletions

View file

@ -446,16 +446,14 @@ static void shpc_cap_update_dword(PCIDevice *d)
}
/* Add SHPC capability to the config space for the device. */
static int shpc_cap_add_config(PCIDevice *d)
static int shpc_cap_add_config(PCIDevice *d, Error **errp)
{
uint8_t *config;
int config_offset;
Error *local_err = NULL;
config_offset = pci_add_capability(d, PCI_CAP_ID_SHPC,
0, SHPC_CAP_LENGTH,
&local_err);
errp);
if (config_offset < 0) {
error_report_err(local_err);
return config_offset;
}
config = d->config + config_offset;
@ -584,13 +582,14 @@ void shpc_device_hot_unplug_request_cb(HotplugHandler *hotplug_dev,
}
/* Initialize the SHPC structure in bridge's BAR. */
int shpc_init(PCIDevice *d, PCIBus *sec_bus, MemoryRegion *bar, unsigned offset)
int shpc_init(PCIDevice *d, PCIBus *sec_bus, MemoryRegion *bar,
unsigned offset, Error **errp)
{
int i, ret;
int nslots = SHPC_MAX_SLOTS; /* TODO: qdev property? */
SHPCDevice *shpc = d->shpc = g_malloc0(sizeof(*d->shpc));
shpc->sec_bus = sec_bus;
ret = shpc_cap_add_config(d);
ret = shpc_cap_add_config(d, errp);
if (ret) {
g_free(d->shpc);
return ret;