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-rw-r--r--epan/dissectors/packet-dvbci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/epan/dissectors/packet-dvbci.c b/epan/dissectors/packet-dvbci.c
index abb07ce1e2..7da99ef795 100644
--- a/epan/dissectors/packet-dvbci.c
+++ b/epan/dissectors/packet-dvbci.c
@@ -1969,7 +1969,8 @@ dissect_si_string(tvbuff_t *tvb, gint offset, gint str_len,
if (!title) /* we always have a title for our strings */
return;
- if (str_len==0)
+ /* str_len==-1 is not supported, we need an actual length */
+ if (str_len<=0)
return;
byte0 = tvb_get_guint8(tvb, offset);