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[Qemu-devel] [PATCH 05/10] qdev: GlobalProperty.errp field


From: Eduardo Habkost
Subject: [Qemu-devel] [PATCH 05/10] qdev: GlobalProperty.errp field
Date: Wed, 15 Jun 2016 17:32:48 -0300

The new field will allow error handling to be configured by
qdev_prop_register_global() callers: &error_fatal and
&error_abort can be used to make QEMU exit or abort if any errors
are reported when applying the properties.

Suggested-by: Paolo Bonzini <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
---
 hw/core/qdev-properties.c | 8 ++++++--
 include/hw/qdev-core.h    | 4 ++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index cd19603..0fe7214 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1078,10 +1078,14 @@ static void qdev_prop_set_globals_for_type(DeviceState 
*dev,
         prop->used = true;
         object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
         if (err != NULL) {
-            assert(prop->user_provided);
             error_prepend(&err, "can't apply global %s.%s=%s: ",
                           prop->driver, prop->property, prop->value);
-            error_reportf_err(err, "Warning: ");
+            if (prop->errp) {
+                error_propagate(prop->errp, err);
+            } else {
+                assert(prop->user_provided);
+                error_reportf_err(err, "Warning: ");
+            }
         }
     }
 }
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 24aa0a7..16e7cc0 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -256,6 +256,9 @@ struct PropertyInfo {
 
 /**
  * GlobalProperty:
+ * @errp: If set, error_propagate() will be called on errors when applying
+ *        the property. &error_abort or &error_fatal may be used to make
+ *        errors automatically abort or exit QEMU.
  * @user_provided: Set to true if property comes from user-provided config
  * (command-line or config file).
  * @used: Set to true if property was used when initializing a device.
@@ -264,6 +267,7 @@ typedef struct GlobalProperty {
     const char *driver;
     const char *property;
     const char *value;
+    Error **errp;
     bool user_provided;
     bool used;
 } GlobalProperty;
-- 
2.5.5




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