From 9cbaad2c3a8efaafb43f1019e90c824158797049 Mon Sep 17 00:00:00 2001
From: Ismael Gomez <ismagom@gmail.com>
Date: Thu, 26 Jan 2017 00:35:02 +0100
Subject: [PATCH] Check maximum EARFCN

---
 srslte/lib/common/phy_common.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/srslte/lib/common/phy_common.c b/srslte/lib/common/phy_common.c
index 68532ebeb..4717c6ca7 100644
--- a/srslte/lib/common/phy_common.c
+++ b/srslte/lib/common/phy_common.c
@@ -439,15 +439,21 @@ int srslte_band_get_band(uint32_t earfcn) {
 }
 
 float srslte_band_fd(uint32_t earfcn) {
+  if (earfcn > lte_bands[SRSLTE_NOF_LTE_BANDS-1].earfcn_max) {
+    return -1; 
+  }
   uint32_t i = SRSLTE_NOF_LTE_BANDS-1;
   while(i > 0 && lte_bands[i].earfcn_offset>earfcn) {
     i--;
   }
-  return get_fd(&lte_bands[i], earfcn);
+  return get_fd(&lte_bands[i], earfcn);  
 }
 
 
 float srslte_band_fu(uint32_t earfcn) {
+  if (earfcn > lte_bands[SRSLTE_NOF_LTE_BANDS-1].earfcn_max) {
+    return -1; 
+  }
   uint32_t i = SRSLTE_NOF_LTE_BANDS-1;
   while(i > 0 && lte_bands[i].earfcn_offset>earfcn) {
     i--;