qdev: allow setting properties to NULL

SPARC and PPC set properties to NULL.  This can be done with an
empty string value.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
master
Paolo Bonzini 2012-02-14 10:19:52 +01:00 committed by Blue Swirl
parent 9d4df9c028
commit 0a54a0ce3e
1 changed files with 9 additions and 6 deletions

View File

@ -613,7 +613,7 @@ static void set_pointer(Object *obj, Visitor *v, Property *prop,
}
if (!*str) {
g_free(str);
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
*ptr = NULL;
return;
}
ret = parse(dev, str, ptr);
@ -1120,7 +1120,8 @@ void qdev_prop_set_string(DeviceState *dev, const char *name, char *value)
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value)
{
Error *errp = NULL;
object_property_set_str(OBJECT(dev), bdrv_get_device_name(value),
const char *bdrv_name = value ? bdrv_get_device_name(value) : "";
object_property_set_str(OBJECT(dev), bdrv_name,
name, &errp);
if (errp) {
qerror_report_err(errp);
@ -1139,16 +1140,18 @@ void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverS
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
{
Error *errp = NULL;
assert(value->label);
object_property_set_str(OBJECT(dev), value->label, name, &errp);
assert(!value || value->label);
object_property_set_str(OBJECT(dev),
value ? value->label : "", name, &errp);
assert(!errp);
}
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value)
{
Error *errp = NULL;
assert(value->name);
object_property_set_str(OBJECT(dev), value->name, name, &errp);
assert(!value || value->name);
object_property_set_str(OBJECT(dev),
value ? value->name : "", name, &errp);
assert(!errp);
}