range_enc_determine_range(): Don't dereference array on size=0

Change-Id: I5bbb10af8b8e8ebc22bf79f5468e71a41b5e74b3 Fixes: Coverity CID#182710
2018-10-21 11:10:23 +02:00 · 2018-10-21 11:10:23 +02:00 · d4c391eab0
parent 7656f5f90a
commit d4c391eab0
1 changed files with 4 additions and 0 deletions
--- a/src/osmo-bsc/arfcn_range_encode.c
+++ b/src/osmo-bsc/arfcn_range_encode.c
@ -168,6 +168,10 @@ int range_enc_determine_range(const int *arfcns, const int size, int *f0)
 {
 	int max = 0;

+	/* don't dereference arfcns[] array if size is 0 */
+	if (size == 0)
+		return ARFCN_RANGE_128;
+
 	/*
 	 * Go for the easiest. And pick arfcns[0] == f0.
 	 */