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Re: [PATCH 17/22] hw/arm: Drop useless object_property_set_link() error
From: |
Cédric Le Goater |
Subject: |
Re: [PATCH 17/22] hw/arm: Drop useless object_property_set_link() error handling |
Date: |
Mon, 22 Jun 2020 14:37:50 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 |
On 6/22/20 12:42 PM, Markus Armbruster wrote:
> object_property_set_link() fails when the property doesn't exist, is
> not settable, or its .check() method fails. These are all programming
> errors here, so passing it &error_abort is appropriate.
>
> Cc: Peter Maydell <peter.maydell@linaro.org>
> Cc: "Cédric Le Goater" <clg@kaod.org>
> Cc: Andrew Jeffery <andrew@aj.id.au>
> Cc: Joel Stanley <joel@jms.id.au>
> Cc: qemu-arm@nongnu.org
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
For the Aspeed parts,
Reviewed-by: Cédric Le Goater <clg@kaod.org>
> ---
> hw/arm/armsse.c | 53 ++++++++++-------------------------------
> hw/arm/armv7m.c | 7 ++----
> hw/arm/aspeed_ast2600.c | 20 ++++------------
> hw/arm/aspeed_soc.c | 14 ++++-------
> hw/arm/nrf51_soc.c | 6 +----
> 5 files changed, 24 insertions(+), 76 deletions(-)
>
> diff --git a/hw/arm/armsse.c b/hw/arm/armsse.c
> index e8f8f60abc..c73cc6badf 100644
> --- a/hw/arm/armsse.c
> +++ b/hw/arm/armsse.c
> @@ -564,16 +564,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> &s->container, -1);
> }
> object_property_set_link(cpuobj, OBJECT(&s->cpu_container[i]),
> - "memory", &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> - object_property_set_link(cpuobj, OBJECT(s), "idau", &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + "memory", &error_abort);
> + object_property_set_link(cpuobj, OBJECT(s), "idau", &error_abort);
> sysbus_realize(SYS_BUS_DEVICE(cpuobj), &err);
> if (err) {
> error_propagate(errp, err);
> @@ -700,11 +692,7 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> return;
> }
> object_property_set_link(OBJECT(&s->mpc[i]), OBJECT(&s->sram[i]),
> - "downstream", &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + "downstream", &error_abort);
> sysbus_realize(SYS_BUS_DEVICE(&s->mpc[i]), &err);
> if (err) {
> error_propagate(errp, err);
> @@ -755,11 +743,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer0), 0,
> armsse_get_common_irq_in(s, 3));
> mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->timer0), 0);
> - object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[0]",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[0]",
> + &error_abort);
>
> qdev_prop_set_uint32(DEVICE(&s->timer1), "pclk-frq", s->mainclk_frq);
> sysbus_realize(SYS_BUS_DEVICE(&s->timer1), &err);
> @@ -770,12 +755,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer1), 0,
> armsse_get_common_irq_in(s, 4));
> mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->timer1), 0);
> - object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[1]",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> -
> + object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[1]",
> + &error_abort);
>
> qdev_prop_set_uint32(DEVICE(&s->dualtimer), "pclk-frq", s->mainclk_frq);
> sysbus_realize(SYS_BUS_DEVICE(&s->dualtimer), &err);
> @@ -786,11 +767,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> sysbus_connect_irq(SYS_BUS_DEVICE(&s->dualtimer), 0,
> armsse_get_common_irq_in(s, 5));
> mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dualtimer), 0);
> - object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[2]",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr), "port[2]",
> + &error_abort);
>
> if (info->has_mhus) {
> /*
> @@ -815,12 +793,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> port = g_strdup_printf("port[%d]", i + 3);
> mr = sysbus_mmio_get_region(mhu_sbd, 0);
> object_property_set_link(OBJECT(&s->apb_ppc0), OBJECT(mr),
> - port, &err);
> + port, &error_abort);
> g_free(port);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
>
> /*
> * Each MHU has an irq line for each CPU:
> @@ -967,11 +941,8 @@ static void armsse_realize(DeviceState *dev, Error
> **errp)
> sysbus_connect_irq(SYS_BUS_DEVICE(&s->s32ktimer), 0,
> armsse_get_common_irq_in(s, 2));
> mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->s32ktimer), 0);
> - object_property_set_link(OBJECT(&s->apb_ppc1), OBJECT(mr), "port[0]",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->apb_ppc1), OBJECT(mr), "port[0]",
> + &error_abort);
>
> sysbus_realize(SYS_BUS_DEVICE(&s->apb_ppc1), &err);
> if (err) {
> diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
> index ce83586e03..3308211e9c 100644
> --- a/hw/arm/armv7m.c
> +++ b/hw/arm/armv7m.c
> @@ -170,11 +170,8 @@ static void armv7m_realize(DeviceState *dev, Error
> **errp)
> object_property_set_link(OBJECT(s->cpu), OBJECT(&s->container), "memory",
> &error_abort);
> if (object_property_find(OBJECT(s->cpu), "idau", NULL)) {
> - object_property_set_link(OBJECT(s->cpu), s->idau, "idau", &err);
> - if (err != NULL) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(s->cpu), s->idau, "idau",
> + &error_abort);
> }
> if (object_property_find(OBJECT(s->cpu), "init-svtor", NULL)) {
> object_property_set_uint(OBJECT(s->cpu), s->init_svtor,
> diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c
> index 08b3592e36..4efac02e2b 100644
> --- a/hw/arm/aspeed_ast2600.c
> +++ b/hw/arm/aspeed_ast2600.c
> @@ -341,11 +341,8 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev,
> Error **errp)
> }
>
> /* I2C */
> - object_property_set_link(OBJECT(&s->i2c), OBJECT(s->dram_mr), "dram",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->i2c), OBJECT(s->dram_mr), "dram",
> + &error_abort);
> sysbus_realize(SYS_BUS_DEVICE(&s->i2c), &err);
> if (err) {
> error_propagate(errp, err);
> @@ -363,11 +360,8 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev,
> Error **errp)
> }
>
> /* FMC, The number of CS is set at the board level */
> - object_property_set_link(OBJECT(&s->fmc), OBJECT(s->dram_mr), "dram",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->fmc), OBJECT(s->dram_mr), "dram",
> + &error_abort);
> object_property_set_int(OBJECT(&s->fmc), sc->memmap[ASPEED_SDRAM],
> "sdram-base", &err);
> if (err) {
> @@ -388,11 +382,7 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev,
> Error **errp)
> /* SPI */
> for (i = 0; i < sc->spis_num; i++) {
> object_property_set_link(OBJECT(&s->spi[i]), OBJECT(s->dram_mr),
> - "dram", &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + "dram", &error_abort);
> object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err);
> sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), &err);
> if (err) {
> diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
> index ec21de50ce..03b91bade6 100644
> --- a/hw/arm/aspeed_soc.c
> +++ b/hw/arm/aspeed_soc.c
> @@ -300,11 +300,8 @@ static void aspeed_soc_realize(DeviceState *dev, Error
> **errp)
> }
>
> /* I2C */
> - object_property_set_link(OBJECT(&s->i2c), OBJECT(s->dram_mr), "dram",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->i2c), OBJECT(s->dram_mr), "dram",
> + &error_abort);
> sysbus_realize(SYS_BUS_DEVICE(&s->i2c), &err);
> if (err) {
> error_propagate(errp, err);
> @@ -315,11 +312,8 @@ static void aspeed_soc_realize(DeviceState *dev, Error
> **errp)
> aspeed_soc_get_irq(s, ASPEED_I2C));
>
> /* FMC, The number of CS is set at the board level */
> - object_property_set_link(OBJECT(&s->fmc), OBJECT(s->dram_mr), "dram",
> &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + object_property_set_link(OBJECT(&s->fmc), OBJECT(s->dram_mr), "dram",
> + &error_abort);
> object_property_set_int(OBJECT(&s->fmc), sc->memmap[ASPEED_SDRAM],
> "sdram-base", &err);
> if (err) {
> diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
> index 5a8961ddbb..20dd8b5897 100644
> --- a/hw/arm/nrf51_soc.c
> +++ b/hw/arm/nrf51_soc.c
> @@ -66,11 +66,7 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error
> **errp)
> }
>
> object_property_set_link(OBJECT(&s->cpu), OBJECT(&s->container),
> "memory",
> - &err);
> - if (err) {
> - error_propagate(errp, err);
> - return;
> - }
> + &error_abort);
> sysbus_realize(SYS_BUS_DEVICE(&s->cpu), &err);
> if (err) {
> error_propagate(errp, err);
>
- [PATCH 15/22] qdev: Drop qbus_set_hotplug_handler() parameter @errp, (continued)
- [PATCH 15/22] qdev: Drop qbus_set_hotplug_handler() parameter @errp, Markus Armbruster, 2020/06/22
- [PATCH 19/22] riscv_hart: Fix riscv_harts_realize() error API violations, Markus Armbruster, 2020/06/22
- [PATCH 07/22] spapr: Plug minor memory leak in spapr_machine_init(), Markus Armbruster, 2020/06/22
- [PATCH 11/22] vnc: Plug minor memory leak in vnc_display_open(), Markus Armbruster, 2020/06/22
- [PATCH 22/22] amd_iommu: Fix amdvi_realize() error API violation, Markus Armbruster, 2020/06/22
- [PATCH 18/22] riscv/sifive_u: Fix sifive_u_soc_realize() error API violations, Markus Armbruster, 2020/06/22
- [PATCH 17/22] hw/arm: Drop useless object_property_set_link() error handling, Markus Armbruster, 2020/06/22
- Re: [PATCH 17/22] hw/arm: Drop useless object_property_set_link() error handling,
Cédric Le Goater <=
- [PATCH 01/22] net/virtio: Fix failover_replug_primary() return value regression, Markus Armbruster, 2020/06/22
- [PATCH 13/22] aspeed: Clean up roundabout error propagation, Markus Armbruster, 2020/06/22
- [PATCH 06/22] usb/dev-mtp: Fix Error double free after inotify failure, Markus Armbruster, 2020/06/22
- [PATCH 02/22] pci: Delete useless error_propagate(), Markus Armbruster, 2020/06/22
- [PATCH 21/22] x86: Fix x86_cpu_new() error API violations, Markus Armbruster, 2020/06/22