From c1efa67c131a005903821a7487bad014b90cbe08 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Fri, 11 Nov 2016 19:42:19 +0100 Subject: RBS2000: Avoid segfault if ts->lapd instance doesn't exist This happens e.g. with DAHDI driver, when the DAHDI device cannot be opened. Let's not prematurely seg-fault early in the RBS2000 signal handler, but take the proper error handlign for this. Change-Id: I9223fb1568d3db7e278f07240c4be334c6602a13 --- openbsc/src/libbsc/bts_ericsson_rbs2000.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/openbsc/src/libbsc/bts_ericsson_rbs2000.c b/openbsc/src/libbsc/bts_ericsson_rbs2000.c index 1300b4a65..faf6f05dc 100644 --- a/openbsc/src/libbsc/bts_ericsson_rbs2000.c +++ b/openbsc/src/libbsc/bts_ericsson_rbs2000.c @@ -71,6 +71,8 @@ static void start_sabm_in_line(struct e1inp_line *line, int start) continue; llist_for_each_entry(link, &ts->sign.sign_links, list) { + if (!ts->lapd) + continue; lapd_instance_set_profile(ts->lapd, &lapd_profile_abis_ericsson); -- cgit v1.2.3