diff mbox series

hw/pci-host/i440fx: Remove unused parameter from i440fx_init()

Message ID 20220612192800.40813-1-shentey@gmail.com
State New
Headers show
Series hw/pci-host/i440fx: Remove unused parameter from i440fx_init() | expand

Commit Message

Bernhard Beschow June 12, 2022, 7:28 p.m. UTC
pi440fx_state is an out-parameter which is never read by the caller.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 hw/i386/pc_piix.c            | 3 ---
 hw/pci-host/i440fx.c         | 4 +---
 include/hw/pci-host/i440fx.h | 1 -
 3 files changed, 1 insertion(+), 7 deletions(-)

Comments

Bernhard Beschow June 19, 2022, 9:44 p.m. UTC | #1
Am 12. Juni 2022 19:28:00 UTC schrieb Bernhard Beschow <shentey@gmail.com>:
>pi440fx_state is an out-parameter which is never read by the caller.
>
>Signed-off-by: Bernhard Beschow <shentey@gmail.com>

Ping

>---
> hw/i386/pc_piix.c            | 3 ---
> hw/pci-host/i440fx.c         | 4 +---
> include/hw/pci-host/i440fx.h | 1 -
> 3 files changed, 1 insertion(+), 7 deletions(-)
>
>diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
>index 0fc2361ffe..a234989ac3 100644
>--- a/hw/i386/pc_piix.c
>+++ b/hw/i386/pc_piix.c
>@@ -82,7 +82,6 @@ static void pc_init1(MachineState *machine,
>     MemoryRegion *system_io = get_system_io();
>     PCIBus *pci_bus;
>     ISABus *isa_bus;
>-    PCII440FXState *i440fx_state;
>     int piix3_devfn = -1;
>     qemu_irq smi_irq;
>     GSIState *gsi_state;
>@@ -203,7 +202,6 @@ static void pc_init1(MachineState *machine,
> 
>         pci_bus = i440fx_init(host_type,
>                               pci_type,
>-                              &i440fx_state,
>                               system_memory, system_io, machine->ram_size,
>                               x86ms->below_4g_mem_size,
>                               x86ms->above_4g_mem_size,
>@@ -217,7 +215,6 @@ static void pc_init1(MachineState *machine,
>         isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
>     } else {
>         pci_bus = NULL;
>-        i440fx_state = NULL;
>         isa_bus = isa_bus_new(NULL, get_system_memory(), system_io,
>                               &error_abort);
>         pcms->hpet_enabled = false;
>diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
>index e08716142b..1c5ad5f918 100644
>--- a/hw/pci-host/i440fx.c
>+++ b/hw/pci-host/i440fx.c
>@@ -238,7 +238,6 @@ static void i440fx_realize(PCIDevice *dev, Error **errp)
> }
> 
> PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>-                    PCII440FXState **pi440fx_state,
>                     MemoryRegion *address_space_mem,
>                     MemoryRegion *address_space_io,
>                     ram_addr_t ram_size,
>@@ -264,8 +263,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
> 
>     d = pci_create_simple(b, 0, pci_type);
>-    *pi440fx_state = I440FX_PCI_DEVICE(d);
>-    f = *pi440fx_state;
>+    f = I440FX_PCI_DEVICE(d);
>     f->system_memory = address_space_mem;
>     f->pci_address_space = pci_address_space;
>     f->ram_memory = ram_memory;
>diff --git a/include/hw/pci-host/i440fx.h b/include/hw/pci-host/i440fx.h
>index f068aaba8f..52518dbf08 100644
>--- a/include/hw/pci-host/i440fx.h
>+++ b/include/hw/pci-host/i440fx.h
>@@ -36,7 +36,6 @@ struct PCII440FXState {
> #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
> 
> PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>-                    PCII440FXState **pi440fx_state,
>                     MemoryRegion *address_space_mem,
>                     MemoryRegion *address_space_io,
>                     ram_addr_t ram_size,
Mark Cave-Ayland June 20, 2022, 7:10 a.m. UTC | #2
On 19/06/2022 22:44, B wrote:

> Am 12. Juni 2022 19:28:00 UTC schrieb Bernhard Beschow <shentey@gmail.com>:
>> pi440fx_state is an out-parameter which is never read by the caller.
>>
>> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
> 
> Ping
> 
>> ---
>> hw/i386/pc_piix.c            | 3 ---
>> hw/pci-host/i440fx.c         | 4 +---
>> include/hw/pci-host/i440fx.h | 1 -
>> 3 files changed, 1 insertion(+), 7 deletions(-)
>>
>> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
>> index 0fc2361ffe..a234989ac3 100644
>> --- a/hw/i386/pc_piix.c
>> +++ b/hw/i386/pc_piix.c
>> @@ -82,7 +82,6 @@ static void pc_init1(MachineState *machine,
>>      MemoryRegion *system_io = get_system_io();
>>      PCIBus *pci_bus;
>>      ISABus *isa_bus;
>> -    PCII440FXState *i440fx_state;
>>      int piix3_devfn = -1;
>>      qemu_irq smi_irq;
>>      GSIState *gsi_state;
>> @@ -203,7 +202,6 @@ static void pc_init1(MachineState *machine,
>>
>>          pci_bus = i440fx_init(host_type,
>>                                pci_type,
>> -                              &i440fx_state,
>>                                system_memory, system_io, machine->ram_size,
>>                                x86ms->below_4g_mem_size,
>>                                x86ms->above_4g_mem_size,
>> @@ -217,7 +215,6 @@ static void pc_init1(MachineState *machine,
>>          isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
>>      } else {
>>          pci_bus = NULL;
>> -        i440fx_state = NULL;
>>          isa_bus = isa_bus_new(NULL, get_system_memory(), system_io,
>>                                &error_abort);
>>          pcms->hpet_enabled = false;
>> diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
>> index e08716142b..1c5ad5f918 100644
>> --- a/hw/pci-host/i440fx.c
>> +++ b/hw/pci-host/i440fx.c
>> @@ -238,7 +238,6 @@ static void i440fx_realize(PCIDevice *dev, Error **errp)
>> }
>>
>> PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>> -                    PCII440FXState **pi440fx_state,
>>                      MemoryRegion *address_space_mem,
>>                      MemoryRegion *address_space_io,
>>                      ram_addr_t ram_size,
>> @@ -264,8 +263,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>>      sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
>>
>>      d = pci_create_simple(b, 0, pci_type);
>> -    *pi440fx_state = I440FX_PCI_DEVICE(d);
>> -    f = *pi440fx_state;
>> +    f = I440FX_PCI_DEVICE(d);
>>      f->system_memory = address_space_mem;
>>      f->pci_address_space = pci_address_space;
>>      f->ram_memory = ram_memory;
>> diff --git a/include/hw/pci-host/i440fx.h b/include/hw/pci-host/i440fx.h
>> index f068aaba8f..52518dbf08 100644
>> --- a/include/hw/pci-host/i440fx.h
>> +++ b/include/hw/pci-host/i440fx.h
>> @@ -36,7 +36,6 @@ struct PCII440FXState {
>> #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
>>
>> PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>> -                    PCII440FXState **pi440fx_state,
>>                      MemoryRegion *address_space_mem,
>>                      MemoryRegion *address_space_io,
>>                      ram_addr_t ram_size,

Looks good to me, so:

Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

In fact that whole i440fx_init() function looks like it's another candidate for 
QOM-ification...


ATB,

Mark.
Laurent Vivier June 28, 2022, 9:11 a.m. UTC | #3
Le 12/06/2022 à 21:28, Bernhard Beschow a écrit :
> pi440fx_state is an out-parameter which is never read by the caller.
> 
> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
> ---
>   hw/i386/pc_piix.c            | 3 ---
>   hw/pci-host/i440fx.c         | 4 +---
>   include/hw/pci-host/i440fx.h | 1 -
>   3 files changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index 0fc2361ffe..a234989ac3 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -82,7 +82,6 @@ static void pc_init1(MachineState *machine,
>       MemoryRegion *system_io = get_system_io();
>       PCIBus *pci_bus;
>       ISABus *isa_bus;
> -    PCII440FXState *i440fx_state;
>       int piix3_devfn = -1;
>       qemu_irq smi_irq;
>       GSIState *gsi_state;
> @@ -203,7 +202,6 @@ static void pc_init1(MachineState *machine,
>   
>           pci_bus = i440fx_init(host_type,
>                                 pci_type,
> -                              &i440fx_state,
>                                 system_memory, system_io, machine->ram_size,
>                                 x86ms->below_4g_mem_size,
>                                 x86ms->above_4g_mem_size,
> @@ -217,7 +215,6 @@ static void pc_init1(MachineState *machine,
>           isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
>       } else {
>           pci_bus = NULL;
> -        i440fx_state = NULL;
>           isa_bus = isa_bus_new(NULL, get_system_memory(), system_io,
>                                 &error_abort);
>           pcms->hpet_enabled = false;
> diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
> index e08716142b..1c5ad5f918 100644
> --- a/hw/pci-host/i440fx.c
> +++ b/hw/pci-host/i440fx.c
> @@ -238,7 +238,6 @@ static void i440fx_realize(PCIDevice *dev, Error **errp)
>   }
>   
>   PCIBus *i440fx_init(const char *host_type, const char *pci_type,
> -                    PCII440FXState **pi440fx_state,
>                       MemoryRegion *address_space_mem,
>                       MemoryRegion *address_space_io,
>                       ram_addr_t ram_size,
> @@ -264,8 +263,7 @@ PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>       sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
>   
>       d = pci_create_simple(b, 0, pci_type);
> -    *pi440fx_state = I440FX_PCI_DEVICE(d);
> -    f = *pi440fx_state;
> +    f = I440FX_PCI_DEVICE(d);
>       f->system_memory = address_space_mem;
>       f->pci_address_space = pci_address_space;
>       f->ram_memory = ram_memory;
> diff --git a/include/hw/pci-host/i440fx.h b/include/hw/pci-host/i440fx.h
> index f068aaba8f..52518dbf08 100644
> --- a/include/hw/pci-host/i440fx.h
> +++ b/include/hw/pci-host/i440fx.h
> @@ -36,7 +36,6 @@ struct PCII440FXState {
>   #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
>   
>   PCIBus *i440fx_init(const char *host_type, const char *pci_type,
> -                    PCII440FXState **pi440fx_state,
>                       MemoryRegion *address_space_mem,
>                       MemoryRegion *address_space_io,
>                       ram_addr_t ram_size,

Applied to my trivial-patches branch.

Thanks,
Laurent
diff mbox series

Patch

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 0fc2361ffe..a234989ac3 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -82,7 +82,6 @@  static void pc_init1(MachineState *machine,
     MemoryRegion *system_io = get_system_io();
     PCIBus *pci_bus;
     ISABus *isa_bus;
-    PCII440FXState *i440fx_state;
     int piix3_devfn = -1;
     qemu_irq smi_irq;
     GSIState *gsi_state;
@@ -203,7 +202,6 @@  static void pc_init1(MachineState *machine,
 
         pci_bus = i440fx_init(host_type,
                               pci_type,
-                              &i440fx_state,
                               system_memory, system_io, machine->ram_size,
                               x86ms->below_4g_mem_size,
                               x86ms->above_4g_mem_size,
@@ -217,7 +215,6 @@  static void pc_init1(MachineState *machine,
         isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
     } else {
         pci_bus = NULL;
-        i440fx_state = NULL;
         isa_bus = isa_bus_new(NULL, get_system_memory(), system_io,
                               &error_abort);
         pcms->hpet_enabled = false;
diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
index e08716142b..1c5ad5f918 100644
--- a/hw/pci-host/i440fx.c
+++ b/hw/pci-host/i440fx.c
@@ -238,7 +238,6 @@  static void i440fx_realize(PCIDevice *dev, Error **errp)
 }
 
 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
-                    PCII440FXState **pi440fx_state,
                     MemoryRegion *address_space_mem,
                     MemoryRegion *address_space_io,
                     ram_addr_t ram_size,
@@ -264,8 +263,7 @@  PCIBus *i440fx_init(const char *host_type, const char *pci_type,
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 
     d = pci_create_simple(b, 0, pci_type);
-    *pi440fx_state = I440FX_PCI_DEVICE(d);
-    f = *pi440fx_state;
+    f = I440FX_PCI_DEVICE(d);
     f->system_memory = address_space_mem;
     f->pci_address_space = pci_address_space;
     f->ram_memory = ram_memory;
diff --git a/include/hw/pci-host/i440fx.h b/include/hw/pci-host/i440fx.h
index f068aaba8f..52518dbf08 100644
--- a/include/hw/pci-host/i440fx.h
+++ b/include/hw/pci-host/i440fx.h
@@ -36,7 +36,6 @@  struct PCII440FXState {
 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
 
 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
-                    PCII440FXState **pi440fx_state,
                     MemoryRegion *address_space_mem,
                     MemoryRegion *address_space_io,
                     ram_addr_t ram_size,