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-rw-r--r--src/gsmtap_util.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c
index 5c68b6a0..3d20bfc2 100644
--- a/src/gsmtap_util.c
+++ b/src/gsmtap_util.c
@@ -148,6 +148,9 @@ int gsmtap_source_add_sink_fd(int gsmtap_fd)
int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg)
{
+ if (!gti)
+ return -ENODEV;
+
if (gti->ofd_wq_mode)
return osmo_wqueue_enqueue(&gti->wq, msg);
else {
@@ -175,6 +178,9 @@ int gsmtap_send(struct gsmtap_inst *gti, uint16_t arfcn, uint8_t ts,
{
struct msgb *msg;
+ if (!gti)
+ return -ENODEV;
+
msg = gsmtap_makemsg(arfcn, ts, chan_type, ss, fn, signal_dbm,
snr, data, len);
if (!msg)