Re: [PATCH-for-5.0 08/12] hw/mips/boston: Add missing error-propagation code

[Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>]

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21:18 Sre, 25.03.2020. Philippe Mathieu-Daudé <f4bug@amsat.org> је
написао/ла:
>
> Running the coccinelle script produced:
>
>   $ spatch \
>     --macro-file scripts/cocci-macro-file.h --include-headers \
>     --sp-file
scripts/coccinelle/object_property_missing_error_propagate.cocci \
>     --keep-comments --smpl-spacing --dir hw
>
>   [[manual check required: error_propagate() might be missing in
object_property_set_int() hw/mips/boston.c:462:4]]
>   [[manual check required: error_propagate() might be missing in
object_property_set_str() hw/mips/boston.c:460:4]]
>
> Since the uses are inside a MachineClass::init() function,
> directly use &error_fatal instead of error_propagate().
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  hw/mips/boston.c | 17 ++++++-----------
>  1 file changed, 6 insertions(+), 11 deletions(-)
>
> diff --git a/hw/mips/boston.c b/hw/mips/boston.c
> index 98ecd25e8e..2e821ca7d6 100644
> --- a/hw/mips/boston.c
> +++ b/hw/mips/boston.c
> @@ -425,121 +425,116 @@ xilinx_pcie_init(MemoryRegion *sys_mem, uint32_t
bus_nr,
>  static void boston_mach_init(MachineState *machine)
>  {
>      DeviceState *dev;
>      BostonState *s;
> -    Error *err = NULL;
>      MemoryRegion *flash, *ddr_low_alias, *lcd, *platreg;
>      MemoryRegion *sys_mem = get_system_memory();
>      XilinxPCIEHost *pcie2;
>      PCIDevice *ahci;
>      DriveInfo *hd[6];
>      Chardev *chr;
>      int fw_size, fit_err;
>      bool is_64b;
>
>      if ((machine->ram_size % GiB) ||
>          (machine->ram_size > (2 * GiB))) {
>          error_report("Memory size must be 1GB or 2GB");
>          exit(1);
>      }
>
>      dev = qdev_create(NULL, TYPE_MIPS_BOSTON);
>      qdev_init_nofail(dev);
>
>      s = BOSTON(dev);
>      s->mach = machine;
>
>      if (!cpu_supports_cps_smp(machine->cpu_type)) {
>          error_report("Boston requires CPUs which support CPS");
>          exit(1);
>      }
>
>      is_64b = cpu_supports_isa(machine->cpu_type, ISA_MIPS64);
>
>      sysbus_init_child_obj(OBJECT(machine), "cps", OBJECT(&s->cps),
>                            sizeof(s->cps), TYPE_MIPS_CPS);
>      object_property_set_str(OBJECT(&s->cps), machine->cpu_type,
"cpu-type",
> -                            &err);
> -    object_property_set_int(OBJECT(&s->cps), machine->smp.cpus,
"num-vp", &err);
> -    object_property_set_bool(OBJECT(&s->cps), true, "realized", &err);
> -
> -    if (err != NULL) {
> -        error_report("%s", error_get_pretty(err));
> -        exit(1);
> -    }
> -
> +                            &error_fatal);
> +    object_property_set_int(OBJECT(&s->cps), machine->smp.cpus, "num-vp",
> +                            &error_fatal);
> +    object_property_set_bool(OBJECT(&s->cps), true, "realized",
&error_fatal);
>      sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->cps), 0, 0, 1);
>
>      flash =  g_new(MemoryRegion, 1);
> -    memory_region_init_rom(flash, NULL, "boston.flash", 128 * MiB, &err);
> +    memory_region_init_rom(flash, NULL, "boston.flash", 128 * MiB,
> +                           &error_fatal);
>      memory_region_add_subregion_overlap(sys_mem, 0x18000000, flash, 0);
>
>      memory_region_add_subregion_overlap(sys_mem, 0x80000000,
machine->ram, 0);
>
>      ddr_low_alias = g_new(MemoryRegion, 1);
>      memory_region_init_alias(ddr_low_alias, NULL, "boston_low.ddr",
>                               machine->ram, 0,
>                               MIN(machine->ram_size, (256 * MiB)));
>      memory_region_add_subregion_overlap(sys_mem, 0, ddr_low_alias, 0);
>
>      xilinx_pcie_init(sys_mem, 0,
>                       0x10000000, 32 * MiB,
>                       0x40000000, 1 * GiB,
>                       get_cps_irq(&s->cps, 2), false);
>
>      xilinx_pcie_init(sys_mem, 1,
>                       0x12000000, 32 * MiB,
>                       0x20000000, 512 * MiB,
>                       get_cps_irq(&s->cps, 1), false);
>
>      pcie2 = xilinx_pcie_init(sys_mem, 2,
>                               0x14000000, 32 * MiB,
>                               0x16000000, 1 * MiB,
>                               get_cps_irq(&s->cps, 0), true);
>
>      platreg = g_new(MemoryRegion, 1);
>      memory_region_init_io(platreg, NULL, &boston_platreg_ops, s,
>                            "boston-platregs", 0x1000);
>      memory_region_add_subregion_overlap(sys_mem, 0x17ffd000, platreg, 0);
>
>      s->uart = serial_mm_init(sys_mem, 0x17ffe000, 2,
>                               get_cps_irq(&s->cps, 3), 10000000,
>                               serial_hd(0), DEVICE_NATIVE_ENDIAN);
>
>      lcd = g_new(MemoryRegion, 1);
>      memory_region_init_io(lcd, NULL, &boston_lcd_ops, s, "boston-lcd",
0x8);
>      memory_region_add_subregion_overlap(sys_mem, 0x17fff000, lcd, 0);
>
>      chr = qemu_chr_new("lcd", "vc:320x240", NULL);
>      qemu_chr_fe_init(&s->lcd_display, chr, NULL);
>      qemu_chr_fe_set_handlers(&s->lcd_display, NULL, NULL,
>                               boston_lcd_event, NULL, s, NULL, true);
>
>      ahci =
pci_create_simple_multifunction(&PCI_BRIDGE(&pcie2->root)->sec_bus,
>                                             PCI_DEVFN(0, 0),
>                                             true, TYPE_ICH9_AHCI);
>      g_assert(ARRAY_SIZE(hd) == ahci_get_num_ports(ahci));
>      ide_drive_get(hd, ahci_get_num_ports(ahci));
>      ahci_ide_create_devs(ahci, hd);
>
>      if (machine->firmware) {
>          fw_size = load_image_targphys(machine->firmware,
>                                        0x1fc00000, 4 * MiB);
>          if (fw_size == -1) {
>              error_report("unable to load firmware image '%s'",
>                            machine->firmware);
>              exit(1);
>          }
>      } else if (machine->kernel_filename) {
>          fit_err = load_fit(&boston_fit_loader, machine->kernel_filename,
s);
>          if (fit_err) {
>              error_report("unable to load FIT image");
>              exit(1);
>          }
>
>          gen_firmware(memory_region_get_ram_ptr(flash) + 0x7c00000,
>                       s->kernel_entry, s->fdt_base, is_64b);
>      } else if (!qtest_enabled()) {
>          error_report("Please provide either a -kernel or -bios
argument");
>          exit(1);
>      }
>  }
> --
> 2.21.1
>

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>

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