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

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 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 b1be4fde40..fba18bc204 100644
--- a/hw/arm/stm32f205_soc.c
+++ b/hw/arm/stm32f205_soc.c
@@ -159,6 +159,10 @@ 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);
+    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);
diff --git a/hw/arm/stm32f405_soc.c b/hw/arm/stm32f405_soc.c
index 2b8a84a695..6db77d296b 100644
--- a/hw/arm/stm32f405_soc.c
+++ b/hw/arm/stm32f405_soc.c
@@ -181,6 +181,10 @@ static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
     }
     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);
-- 
2.21.1