commit 13692a6bd3df90d80cdbc4fd6852c69c6a99ea9b
author Harald Welte <laforge@gnumonks.org> Sun May 22 20:06:11 2011 +0200
committer Harald Welte <laforge@gnumonks.org> Sun May 22 20:06:11 2011 +0200
tree 7608e30028c48487e54b5721e1a5124a26970bd0
parent b62b04bbf320dca6d81a95e9b0dea0251ad4a665

gsmtap: deal with apps that call gsmtap_send*() with NULL gsmtap_inst

src/gsmtap_util.c

diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c
index 5c68b6a..3d20bfc 100644
--- a/src/gsmtap_util.c
+++ b/src/gsmtap_util.c
@@ -148,6 +148,9 @@
 
 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 @@
 {
 	struct msgb *msg;
 
+	if (!gti)
+		return -ENODEV;
+
 	msg = gsmtap_makemsg(arfcn, ts, chan_type, ss, fn, signal_dbm,
 			     snr, data, len);
 	if (!msg)