[handover] don't use measurement reports with NCELL=7
NCELL=7 inidicates that there was no neighbor cell info in the SI5
on the SACCH.
diff --git a/openbsc/src/handover_decision.c b/openbsc/src/handover_decision.c
index c0ec0a9..3605a8e 100644
--- a/openbsc/src/handover_decision.c
+++ b/openbsc/src/handover_decision.c
@@ -71,6 +71,9 @@
/* FIXME: implement actual averaging over multiple measurement
* reports */
+ if (mr->num_cell > 6)
+ return 0;
+
/* find the best cell in this report that is at least RXLEV_HYST
* better than the current serving cell */
for (i = 0; i < mr->num_cell; i++) {