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Re: [PATCH-for-5.0 04/12] hw/arm/stm32fx05_soc: Add missing error-propag


From: Alistair Francis
Subject: Re: [PATCH-for-5.0 04/12] hw/arm/stm32fx05_soc: Add missing error-propagation code
Date: Wed, 25 Mar 2020 13:51:32 -0700

On Wed, Mar 25, 2020 at 12:22 PM Philippe Mathieu-Daudé <address@hidden> wrote:
>
> Patch created mechanically by running:
>
>   $ spatch \
>     --macro-file scripts/cocci-macro-file.h --include-headers \
>     --sp-file 
> scripts/coccinelle/object_property_missing_error_propagate.cocci \
>     --keep-comments --smpl-spacing --in-place --dir hw
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>

Reviewed-by: Alistair Francis <address@hidden>

Alistair

> ---
>  hw/arm/stm32f205_soc.c | 4 ++++
>  hw/arm/stm32f405_soc.c | 4 ++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c
> index 118c342559..1d80f91dd7 100644
> --- a/hw/arm/stm32f205_soc.c
> +++ b/hw/arm/stm32f205_soc.c
> @@ -83,113 +83,117 @@ static void stm32f205_soc_initfn(Object *obj)
>  static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
>  {
>      STM32F205State *s = STM32F205_SOC(dev_soc);
>      DeviceState *dev, *armv7m;
>      SysBusDevice *busdev;
>      Error *err = NULL;
>      int i;
>
>      MemoryRegion *system_memory = get_system_memory();
>      MemoryRegion *sram = g_new(MemoryRegion, 1);
>      MemoryRegion *flash = g_new(MemoryRegion, 1);
>      MemoryRegion *flash_alias = g_new(MemoryRegion, 1);
>
>      memory_region_init_rom(flash, OBJECT(dev_soc), "STM32F205.flash",
>                             FLASH_SIZE, &error_fatal);
>      memory_region_init_alias(flash_alias, OBJECT(dev_soc),
>                               "STM32F205.flash.alias", flash, 0, FLASH_SIZE);
>
>      memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash);
>      memory_region_add_subregion(system_memory, 0, flash_alias);
>
>      memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE,
>                             &error_fatal);
>      memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
>
>      armv7m = DEVICE(&s->armv7m);
>      qdev_prop_set_uint32(armv7m, "num-irq", 96);
>      qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
>      qdev_prop_set_bit(armv7m, "enable-bitband", true);
>      object_property_set_link(OBJECT(&s->armv7m), OBJECT(get_system_memory()),
>                                       "memory", &error_abort);
>      object_property_set_bool(OBJECT(&s->armv7m), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>
>      /* System configuration controller */
>      dev = DEVICE(&s->syscfg);
>      object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      busdev = SYS_BUS_DEVICE(dev);
>      sysbus_mmio_map(busdev, 0, 0x40013800);
>      sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 71));
>
>      /* Attach UART (uses USART registers) and USART controllers */
>      for (i = 0; i < STM_NUM_USARTS; i++) {
>          dev = DEVICE(&(s->usart[i]));
>          qdev_prop_set_chr(dev, "chardev", serial_hd(i));
>          object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", 
> &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, usart_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 
> usart_irq[i]));
>      }
>
>      /* Timer 2 to 5 */
>      for (i = 0; i < STM_NUM_TIMERS; i++) {
>          dev = DEVICE(&(s->timer[i]));
>          qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
>          object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", 
> &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, timer_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 
> timer_irq[i]));
>      }
>
>      /* ADC 1 to 3 */
>      object_property_set_int(OBJECT(s->adc_irqs), STM_NUM_ADCS,
>                              "num-lines", &err);
> +    if (err) {
> +        error_propagate(errp, err);
> +        return;
> +    }
>      object_property_set_bool(OBJECT(s->adc_irqs), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      qdev_connect_gpio_out(DEVICE(s->adc_irqs), 0,
>                            qdev_get_gpio_in(armv7m, ADC_IRQ));
>
>      for (i = 0; i < STM_NUM_ADCS; i++) {
>          dev = DEVICE(&(s->adc[i]));
>          object_property_set_bool(OBJECT(&s->adc[i]), true, "realized", &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, adc_addr[i]);
>          sysbus_connect_irq(busdev, 0,
>                             qdev_get_gpio_in(DEVICE(s->adc_irqs), i));
>      }
>
>      /* SPI 1 and 2 */
>      for (i = 0; i < STM_NUM_SPIS; i++) {
>          dev = DEVICE(&(s->spi[i]));
>          object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, spi_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
>      }
>  }
> diff --git a/hw/arm/stm32f405_soc.c b/hw/arm/stm32f405_soc.c
> index 4f10ce6176..398a3b5b4f 100644
> --- a/hw/arm/stm32f405_soc.c
> +++ b/hw/arm/stm32f405_soc.c
> @@ -89,183 +89,187 @@ static void stm32f405_soc_initfn(Object *obj)
>  static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
>  {
>      STM32F405State *s = STM32F405_SOC(dev_soc);
>      MemoryRegion *system_memory = get_system_memory();
>      DeviceState *dev, *armv7m;
>      SysBusDevice *busdev;
>      Error *err = NULL;
>      int i;
>
>      memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F405.flash",
>                             FLASH_SIZE, &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
>                               "STM32F405.flash.alias", &s->flash, 0,
>                               FLASH_SIZE);
>
>      memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, 
> &s->flash);
>      memory_region_add_subregion(system_memory, 0, &s->flash_alias);
>
>      memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE,
>                             &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);
>
>      armv7m = DEVICE(&s->armv7m);
>      qdev_prop_set_uint32(armv7m, "num-irq", 96);
>      qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
>      qdev_prop_set_bit(armv7m, "enable-bitband", true);
>      object_property_set_link(OBJECT(&s->armv7m), OBJECT(system_memory),
>                                       "memory", &error_abort);
>      object_property_set_bool(OBJECT(&s->armv7m), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>
>      /* System configuration controller */
>      dev = DEVICE(&s->syscfg);
>      object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      busdev = SYS_BUS_DEVICE(dev);
>      sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
>      sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));
>
>      /* Attach UART (uses USART registers) and USART controllers */
>      for (i = 0; i < STM_NUM_USARTS; i++) {
>          dev = DEVICE(&(s->usart[i]));
>          qdev_prop_set_chr(dev, "chardev", serial_hd(i));
>          object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", 
> &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, usart_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 
> usart_irq[i]));
>      }
>
>      /* Timer 2 to 5 */
>      for (i = 0; i < STM_NUM_TIMERS; i++) {
>          dev = DEVICE(&(s->timer[i]));
>          qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
>          object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", 
> &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, timer_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, 
> timer_irq[i]));
>      }
>
>      /* ADC device, the IRQs are ORed together */
>      object_initialize_child(OBJECT(s), "adc-orirq", &s->adc_irqs,
>                              sizeof(s->adc_irqs), TYPE_OR_IRQ,
>                              &err, NULL);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      object_property_set_int(OBJECT(&s->adc_irqs), STM_NUM_ADCS,
>                              "num-lines", &err);
> +    if (err) {
> +        error_propagate(errp, err);
> +        return;
> +    }
>      object_property_set_bool(OBJECT(&s->adc_irqs), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0,
>                            qdev_get_gpio_in(armv7m, ADC_IRQ));
>
>      dev = DEVICE(&(s->adc[i]));
>      object_property_set_bool(OBJECT(&s->adc[i]), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      busdev = SYS_BUS_DEVICE(dev);
>      sysbus_mmio_map(busdev, 0, ADC_ADDR);
>      sysbus_connect_irq(busdev, 0,
>                         qdev_get_gpio_in(DEVICE(&s->adc_irqs), i));
>
>      /* SPI devices */
>      for (i = 0; i < STM_NUM_SPIS; i++) {
>          dev = DEVICE(&(s->spi[i]));
>          object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
>          if (err != NULL) {
>              error_propagate(errp, err);
>              return;
>          }
>          busdev = SYS_BUS_DEVICE(dev);
>          sysbus_mmio_map(busdev, 0, spi_addr[i]);
>          sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
>      }
>
>      /* EXTI device */
>      dev = DEVICE(&s->exti);
>      object_property_set_bool(OBJECT(&s->exti), true, "realized", &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
>          return;
>      }
>      busdev = SYS_BUS_DEVICE(dev);
>      sysbus_mmio_map(busdev, 0, EXTI_ADDR);
>      for (i = 0; i < 16; i++) {
>          sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
>      }
>      for (i = 0; i < 16; i++) {
>          qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, 
> i));
>      }
>
>      create_unimplemented_device("timer[7]",    0x40001400, 0x400);
>      create_unimplemented_device("timer[12]",   0x40001800, 0x400);
>      create_unimplemented_device("timer[6]",    0x40001000, 0x400);
>      create_unimplemented_device("timer[13]",   0x40001C00, 0x400);
>      create_unimplemented_device("timer[14]",   0x40002000, 0x400);
>      create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
>      create_unimplemented_device("WWDG",        0x40002C00, 0x400);
>      create_unimplemented_device("IWDG",        0x40003000, 0x400);
>      create_unimplemented_device("I2S2ext",     0x40003000, 0x400);
>      create_unimplemented_device("I2S3ext",     0x40004000, 0x400);
>      create_unimplemented_device("I2C1",        0x40005400, 0x400);
>      create_unimplemented_device("I2C2",        0x40005800, 0x400);
>      create_unimplemented_device("I2C3",        0x40005C00, 0x400);
>      create_unimplemented_device("CAN1",        0x40006400, 0x400);
>      create_unimplemented_device("CAN2",        0x40006800, 0x400);
>      create_unimplemented_device("PWR",         0x40007000, 0x400);
>      create_unimplemented_device("DAC",         0x40007400, 0x400);
>      create_unimplemented_device("timer[1]",    0x40010000, 0x400);
>      create_unimplemented_device("timer[8]",    0x40010400, 0x400);
>      create_unimplemented_device("SDIO",        0x40012C00, 0x400);
>      create_unimplemented_device("timer[9]",    0x40014000, 0x400);
>      create_unimplemented_device("timer[10]",   0x40014400, 0x400);
>      create_unimplemented_device("timer[11]",   0x40014800, 0x400);
>      create_unimplemented_device("GPIOA",       0x40020000, 0x400);
>      create_unimplemented_device("GPIOB",       0x40020400, 0x400);
>      create_unimplemented_device("GPIOC",       0x40020800, 0x400);
>      create_unimplemented_device("GPIOD",       0x40020C00, 0x400);
>      create_unimplemented_device("GPIOE",       0x40021000, 0x400);
>      create_unimplemented_device("GPIOF",       0x40021400, 0x400);
>      create_unimplemented_device("GPIOG",       0x40021800, 0x400);
>      create_unimplemented_device("GPIOH",       0x40021C00, 0x400);
>      create_unimplemented_device("GPIOI",       0x40022000, 0x400);
>      create_unimplemented_device("CRC",         0x40023000, 0x400);
>      create_unimplemented_device("RCC",         0x40023800, 0x400);
>      create_unimplemented_device("Flash Int",   0x40023C00, 0x400);
>      create_unimplemented_device("BKPSRAM",     0x40024000, 0x400);
>      create_unimplemented_device("DMA1",        0x40026000, 0x400);
>      create_unimplemented_device("DMA2",        0x40026400, 0x400);
>      create_unimplemented_device("Ethernet",    0x40028000, 0x1400);
>      create_unimplemented_device("USB OTG HS",  0x40040000, 0x30000);
>      create_unimplemented_device("USB OTG FS",  0x50000000, 0x31000);
>      create_unimplemented_device("DCMI",        0x50050000, 0x400);
>      create_unimplemented_device("RNG",         0x50060800, 0x400);
>  }
> --
> 2.21.1
>
>



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