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-rw-r--r--openbsc/src/libbsc/abis_rsl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index dc4ede294..316fc3fed 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -1456,6 +1456,8 @@ static int abis_rsl_rx_dchan(struct msgb *msg)
msg->lchan = lchan_lookup(sign_link->trx, rslh->chan_nr,
"Abis RSL rx DCHAN: ");
+ if (!msg->lchan)
+ return -1;
ts_name = gsm_lchan_name(msg->lchan);
switch (rslh->c.msg_type) {