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[PULL 24/28] arm/stm32f205 arm/stm32f405: Fix realize error API violatio

From: Markus Armbruster
Subject: [PULL 24/28] arm/stm32f205 arm/stm32f405: Fix realize error API violation
Date: Thu, 2 Jul 2020 13:09:27 +0200

The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second

stm32f205_soc_realize() and stm32f405_soc_realize() are wrong that
way: they pass &err to object_property_set_int() without checking it,
and then to qdev_realize().  Harmless, because the former can't
actually fail here.

Fix by passing &error_abort instead.

Cc: Alistair Francis <alistair@alistair23.me>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200630090351.1247703-23-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
 hw/arm/stm32f205_soc.c | 2 +-
 hw/arm/stm32f405_soc.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c
index 19487544f0..56aef686c9 100644
--- a/hw/arm/stm32f205_soc.c
+++ b/hw/arm/stm32f205_soc.c
@@ -154,7 +154,7 @@ static void stm32f205_soc_realize(DeviceState *dev_soc, 
Error **errp)
     /* ADC 1 to 3 */
     object_property_set_int(OBJECT(s->adc_irqs), STM_NUM_ADCS,
-                            "num-lines", &err);
+                            "num-lines", &error_abort);
     qdev_realize(DEVICE(s->adc_irqs), NULL, &err);
     if (err != NULL) {
         error_propagate(errp, err);
diff --git a/hw/arm/stm32f405_soc.c b/hw/arm/stm32f405_soc.c
index c12d9f999d..cf9228d8e7 100644
--- a/hw/arm/stm32f405_soc.c
+++ b/hw/arm/stm32f405_soc.c
@@ -172,7 +172,7 @@ static void stm32f405_soc_realize(DeviceState *dev_soc, 
Error **errp)
     object_property_set_int(OBJECT(&s->adc_irqs), STM_NUM_ADCS,
-                            "num-lines", &err);
+                            "num-lines", &error_abort);
     qdev_realize(DEVICE(&s->adc_irqs), NULL, &err);
     if (err != NULL) {
         error_propagate(errp, err);

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