range_enc_determine_range(): Don't dereference array on size=0
cherry-picked from osmo-bsc.git d4c391eab03ce768d7eaf483368d9cda4f9668df
Change-Id: Iae058c35506bc25c9f4790889b89ac46aea664b6
Fixes: Coverity CID#182710 (osmo-bsc.git)
diff --git a/src/gsm/gsm48_arfcn_range_encode.c b/src/gsm/gsm48_arfcn_range_encode.c
index 6423a9a..afe552d 100644
--- a/src/gsm/gsm48_arfcn_range_encode.c
+++ b/src/gsm/gsm48_arfcn_range_encode.c
@@ -166,6 +166,10 @@
{
int max = 0;
+ /* don't dereference arfcns[] array if size is 0 */
+ if (size == 0)
+ return OSMO_GSM48_ARFCN_RANGE_128;
+
/*
* Go for the easiest. And pick arfcns[0] == f0.
*/