[PATCH v4 1/4] hw/i386/pc: Pass Error** argument to pc_basic_device_init()

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

pc_basic_device_init() creates devices which can fail,
allow to propagate error to caller.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/i386/pc.h | 5 +++--
 hw/i386/pc.c         | 7 +++++--
 hw/i386/pc_piix.c    | 2 +-
 hw/i386/pc_q35.c     | 2 +-
 4 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index bec38cb92c..069c27368d 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -174,11 +174,12 @@ void pc_memory_init(PCMachineState *pcms,
                     uint64_t pci_hole64_size);
 uint64_t pc_pci_hole64_start(void);
 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
-void pc_basic_device_init(struct PCMachineState *pcms,
+bool pc_basic_device_init(struct PCMachineState *pcms,
                           ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice *rtc_state,
                           bool create_fdctrl,
-                          uint32_t hpet_irqs);
+                          uint32_t hpet_irqs,
+                          Error **errp);
 void pc_cmos_init(PCMachineState *pcms,
                   BusState *ide0, BusState *ide1,
                   ISADevice *s);
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f7ee638bec..2481c11e83 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1189,11 +1189,12 @@ static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl,
     g_free(a20_line);
 }
 
-void pc_basic_device_init(struct PCMachineState *pcms,
+bool pc_basic_device_init(struct PCMachineState *pcms,
                           ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice *rtc_state,
                           bool create_fdctrl,
-                          uint32_t hpet_irqs)
+                          uint32_t hpet_irqs,
+                          Error **errp)
 {
     int i;
     DeviceState *hpet = NULL;
@@ -1291,6 +1292,8 @@ void pc_basic_device_init(struct PCMachineState *pcms,
     /* Super I/O */
     pc_superio_init(isa_bus, create_fdctrl, pcms->i8042_enabled,
                     pcms->vmport != ON_OFF_AUTO_ON);
+
+    return true;
 }
 
 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index e36a3262b2..0d9cdf773e 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -320,7 +320,7 @@ static void pc_init1(MachineState *machine,
 
     /* init basic PC hardware */
     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, true,
-                         0x4);
+                         0x4, &error_fatal);
 
     pc_nic_init(pcmc, isa_bus, pci_bus);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index a7386f2ca2..e4b05e3139 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -301,7 +301,7 @@ static void pc_q35_init(MachineState *machine)
 
     /* init basic PC hardware */
     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, !mc->no_floppy,
-                         0xff0104);
+                         0xff0104, &error_fatal);
 
     if (pcms->sata_enabled) {
         /* ahci and SATA device, for q35 1 ahci controller is built-in */
-- 
2.41.0