X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Fnet%2Fxfrm.h;h=6ae4bc5ce8a712796774e32637f875f4e98b173e;hb=90f1e7481eebfd47e7dbf7c8c0cbfe31e025e031;hp=cffa5dc664492f0b45a54889f91d12fa48cd324f;hpb=b81a618dcd3ea99de292dbe624f41ca68f464376;p=pandora-kernel.git

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index cffa5dc66449..6ae4bc5ce8a7 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1601,6 +1601,28 @@ static inline int xfrm_replay_state_esn_len(struct xfrm_replay_state_esn *replay
 }
 
 #ifdef CONFIG_XFRM_MIGRATE
+static inline int xfrm_replay_clone(struct xfrm_state *x,
+				     struct xfrm_state *orig)
+{
+	x->replay_esn = kzalloc(xfrm_replay_state_esn_len(orig->replay_esn),
+				GFP_KERNEL);
+	if (!x->replay_esn)
+		return -ENOMEM;
+
+	x->replay_esn->bmp_len = orig->replay_esn->bmp_len;
+	x->replay_esn->replay_window = orig->replay_esn->replay_window;
+
+	x->preplay_esn = kmemdup(x->replay_esn,
+				 xfrm_replay_state_esn_len(x->replay_esn),
+				 GFP_KERNEL);
+	if (!x->preplay_esn) {
+		kfree(x->replay_esn);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
 static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
 {
 	return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL);