diff -r 2d9ae3eb4731 -r a3cbc0e5a3c0 libpurple/protocols/msn/msn.c
--- a/libpurple/protocols/msn/msn.c	Sun Apr 04 19:18:26 2010 +0000
+++ b/libpurple/protocols/msn/msn.c	Thu Apr 22 17:15:26 2010 +0000
@@ -705,6 +705,14 @@
 {
 	MsnSlpLink *slplink = xfer->data;
 	msn_slplink_request_ft(slplink, xfer);
+	msn_slplink_unref(slplink);
+}
+
+static void
+t_msn_xfer_cancel_send(PurpleXfer *xfer)
+{
+	MsnSlpLink *slplink = xfer->data;
+	msn_slplink_unref(slplink);
 }
 
 static PurpleXfer*
@@ -719,9 +727,10 @@
 
 	g_return_val_if_fail(xfer != NULL, NULL);
 
-	xfer->data = msn_session_get_slplink(session, who);
+	xfer->data = msn_slplink_ref(msn_session_get_slplink(session, who));
 
 	purple_xfer_set_init_fnc(xfer, t_msn_xfer_init);
+	purple_xfer_set_cancel_send_fnc(xfer, t_msn_xfer_cancel_send);
 
 	return xfer;
 }