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Monitor patches patches for 2021-11-10

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Merge tag 'pull-monitor-2021-11-10' of git://repo.or.cz/qemu/armbru into staging

Monitor patches patches for 2021-11-10

# gpg: Signature made Wed 10 Nov 2021 06:15:38 AM CET
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]

* tag 'pull-monitor-2021-11-10' of git://repo.or.cz/qemu/armbru:
  monitor: Fix find_device_state() for IDs containing slashes

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-11-10 09:52:41 +01:00
parent 856f9fa9a2 1bf4d3294b
commit d73b6ae2c0
3 changed files with 24 additions and 7 deletions
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12
include/qom/object.h
View file

@ -1543,6 +1543,18 @@ Object *object_resolve_path(const char *path, bool *ambiguous);
Object *object_resolve_path_type(const char *path, const char *typename,
bool *ambiguous);
/**
* object_resolve_path_at:
* @parent: the object in which to resolve the path
* @path: the path to resolve
*
* This is like object_resolve_path(), except paths not starting with
* a slash are relative to @parent.
*
* Returns: The resolved object or NULL on path lookup failure.
*/
Object *object_resolve_path_at(Object *parent, const char *path);
/**
* object_resolve_path_component:
* @parent: the object in which to resolve the path

11
qom/object.c
View file

@ -2144,6 +2144,17 @@ Object *object_resolve_path(const char *path, bool *ambiguous)
return object_resolve_path_type(path, TYPE_OBJECT, ambiguous);
}
Object *object_resolve_path_at(Object *parent, const char *path)
{
g_auto(GStrv) parts = g_strsplit(path, "/", 0);
if (*path == '/') {
return object_resolve_abs_path(object_get_root(), parts + 1,
TYPE_OBJECT);
}
return object_resolve_abs_path(parent, parts, TYPE_OBJECT);
}
typedef struct StringProperty
{
char *(*get)(Object *, Error **);

8
softmmu/qdev-monitor.c
View file

@ -871,15 +871,9 @@ void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
static DeviceState *find_device_state(const char *id, Error **errp)
{
Object *obj;
Object *obj = object_resolve_path_at(qdev_get_peripheral(), id);
DeviceState *dev;
if (id[0] == '/') {
obj = object_resolve_path(id, NULL);
} else {
obj = object_resolve_path_component(qdev_get_peripheral(), id);
}
if (!obj) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", id);