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-rw-r--r--openbsc/src/gprs/gtphub.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/openbsc/src/gprs/gtphub.c b/openbsc/src/gprs/gtphub.c
index 58300ea13..a0af42bee 100644
--- a/openbsc/src/gprs/gtphub.c
+++ b/openbsc/src/gprs/gtphub.c
@@ -1039,6 +1039,9 @@ const char *gtphub_tunnel_str(struct gtphub_tunnel *tun)
int left = sizeof(buf);
int l;
+ if (!tun)
+ return "null-tunnel";
+
APPEND("TEI=%x: ", tun->tei_repl);
APPEND("%s", gtphub_tunnel_side_str(tun, GTPH_SIDE_SGSN));
APPEND(" <-> %s", gtphub_tunnel_side_str(tun, GTPH_SIDE_GGSN));