From d4b7a3c27eeabb2cc220de84997436cc078edd62 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Tue, 21 Jul 2020 17:48:30 +0200
Subject: [PATCH] platform: add nmp_object_ref_set() helper

---
 src/platform/nmp-object.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/platform/nmp-object.h b/src/platform/nmp-object.h
index f83f27d7f8..cef25ea79b 100644
--- a/src/platform/nmp-object.h
+++ b/src/platform/nmp-object.h
@@ -614,6 +614,25 @@ nmp_object_unref (const NMPObject *obj)
 		_changed; \
 	})
 
+static inline gboolean
+nmp_object_ref_set (const NMPObject **pp, const NMPObject *obj)
+{
+	gboolean _changed = FALSE;
+	const NMPObject *p;
+
+	nm_assert (!pp || !*pp || NMP_OBJECT_IS_VALID (*pp));
+	nm_assert (!obj || NMP_OBJECT_IS_VALID (obj));
+
+	if (   pp
+	    && ((p = *pp) != obj)) {
+		nmp_object_ref (obj);
+		*pp = obj;
+		nmp_object_unref (p);
+		_changed = TRUE;
+	}
+	return _changed;
+}
+
 NMPObject *nmp_object_new (NMPObjectType obj_type, gconstpointer plobj);
 NMPObject *nmp_object_new_link (int ifindex);