cfg_bts_si2quater_neigh_add(): Don't call strerror() on negative value
Change-Id: I1300eede3f22df812b7e83902327ce4cde21aa35
Fixes: Coverity CID 135185
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index b9519b4..e3ec8d9 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -2745,7 +2745,7 @@
r = osmo_earfcn_add(e, arfcn, meas);
if (r < 0) {
- vty_out(vty, "Unable to add arfcn %u: %s%s", arfcn, strerror(r),
+ vty_out(vty, "Unable to add arfcn %u: %s%s", arfcn, strerror(-r),
VTY_NEWLINE);
return CMD_WARNING;
}