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authorPau Espin Pedrol <pespin@sysmocom.de>2021-06-01 13:59:52 +0200
committerPau Espin Pedrol <pespin@sysmocom.de>2021-06-01 14:04:20 +0200
commit6c7ac6abcdee2264a725833bd0396b8cc75a7228 (patch)
tree2daf12459f2d676f71dc18eee9dfaafa3676dd9e
parent208c5b643ff34872bf9eb55e4a40a6b5380f21f9 (diff)
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)
-rw-r--r--src/gsm/gsm48_arfcn_range_encode.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gsm/gsm48_arfcn_range_encode.c b/src/gsm/gsm48_arfcn_range_encode.c
index 6423a9a8..afe552d8 100644
--- a/src/gsm/gsm48_arfcn_range_encode.c
+++ b/src/gsm/gsm48_arfcn_range_encode.c
@@ -166,6 +166,10 @@ int osmo_gsm48_range_enc_determine_range(const int *arfcns, const int size, int
{
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.
*/