From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53878) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xilzi-0004Ir-ET for qemu-devel@nongnu.org; Mon, 27 Oct 2014 11:14:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xilzd-0001c8-2Y for qemu-devel@nongnu.org; Mon, 27 Oct 2014 11:14:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51142) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xilzc-0001bi-Ra for qemu-devel@nongnu.org; Mon, 27 Oct 2014 11:14:01 -0400 From: Paolo Bonzini Date: Mon, 27 Oct 2014 16:13:22 +0100 Message-Id: <1414422825-6166-6-git-send-email-pbonzini@redhat.com> In-Reply-To: <1414422825-6166-1-git-send-email-pbonzini@redhat.com> References: <1414422825-6166-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 05/28] qom: Allow clearing of a Link property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Crosthwaite From: Peter Crosthwaite By passing in "" to object_property_set_link. The lead user of this is the QDEV GPIO framework which will implement GPIO disconnects via an "unlink". GPIO disconnection is used by qtest's irq_intercept_out command. Reviewed-by: Alexander Graf Signed-off-by: Peter Crosthwaite Signed-off-by: Paolo Bonzini --- qom/object.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/qom/object.c b/qom/object.c index a751367..c7ef776 100644 --- a/qom/object.c +++ b/qom/object.c @@ -872,9 +872,13 @@ char *object_property_get_str(Object *obj, const char *name, void object_property_set_link(Object *obj, Object *value, const char *name, Error **errp) { - gchar *path = object_get_canonical_path(value); - object_property_set_str(obj, path, name, errp); - g_free(path); + if (value) { + gchar *path = object_get_canonical_path(value); + object_property_set_str(obj, path, name, errp); + g_free(path); + } else { + object_property_set_str(obj, "", name, errp); + } } Object *object_property_get_link(Object *obj, const char *name, -- 1.8.3.1