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From: Markus Armbruster <armbru@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Andrew Jeffery" <andrew@aj.id.au>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	qemu-arm@nongnu.org, "Cédric Le Goater" <clg@kaod.org>,
	"Joel Stanley" <joel@jms.id.au>
Subject: [PATCH v2 16/25] hw/arm: Drop useless object_property_set_link() error handling
Date: Wed, 24 Jun 2020 10:37:28 +0200	[thread overview]
Message-ID: <20200624083737.3086768-17-armbru@redhat.com> (raw)
In-Reply-To: <20200624083737.3086768-1-armbru@redhat.com>

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>
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);
-- 
2.26.2



  parent reply	other threads:[~2020-06-24  8:53 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-24  8:37 [PATCH v2 00/25] Error handling fixes & cleanups Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 01/25] net/virtio: Fix failover_replug_primary() return value regression Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 02/25] pci: Delete useless error_propagate() Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 03/25] Clean up some calls to ignore Error objects the right way Markus Armbruster
2020-06-24  9:02   ` Greg Kurz
2020-06-25  6:42     ` Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 04/25] tests: Use &error_abort where appropriate Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 05/25] tests: Use error_free_or_abort() " Markus Armbruster
2020-06-24 14:42   ` Eric Blake
2020-06-24  8:37 ` [PATCH v2 06/25] usb/dev-mtp: Fix Error double free after inotify failure Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 07/25] spapr: Plug minor memory leak in spapr_machine_init() Markus Armbruster
2020-06-24  9:04   ` Greg Kurz
2020-06-25  3:52   ` David Gibson
2020-06-24  8:37 ` [PATCH v2 08/25] qga: Plug unlikely memory leak in guest-set-memory-blocks Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 09/25] sd/milkymist-memcard: Plug minor memory leak in realize Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 10/25] test-util-filemonitor: Plug unlikely memory leak Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 11/25] vnc: Plug minor memory leak in vnc_display_open() Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 12/25] aspeed: Clean up roundabout error propagation Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 13/25] qdev: Drop qbus_set_bus_hotplug_handler() parameter @errp Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 14/25] qdev: Drop qbus_set_hotplug_handler() " Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 15/25] hw: Fix error API violation around object_property_set_link() Markus Armbruster
2020-06-24  8:37 ` Markus Armbruster [this message]
2020-06-24  8:37 ` [PATCH v2 17/25] riscv/sifive_u: Fix sifive_u_soc_realize() error API violations Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 18/25] riscv_hart: Fix riscv_harts_realize() " Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 19/25] mips/cps: Fix mips_cps_realize() " Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 20/25] x86: Fix x86_cpu_new() " Markus Armbruster
2020-06-24 14:17   ` Igor Mammedov
2020-06-24 14:20     ` Paolo Bonzini
2020-06-25  6:44       ` Markus Armbruster
2020-06-25 19:29       ` Igor Mammedov
2020-06-26 12:54     ` Markus Armbruster
2020-07-13 15:50       ` Igor Mammedov
2020-07-14  9:49         ` Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 21/25] amd_iommu: Fix amdvi_realize() error API violation Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 22/25] arm/stm32f205 arm/stm32f405: Fix realize " Markus Armbruster
2020-06-24 19:17   ` Alistair Francis
2020-06-24  8:37 ` [PATCH v2 23/25] aspeed: " Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 24/25] hw/arm/armsse: Fix armsse_realize() " Markus Armbruster
2020-06-24  8:37 ` [PATCH v2 25/25] arm/{bcm2835, fsl-imx25, fsl-imx6}: Fix realize error API violations Markus Armbruster

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