From 392a8cc1b65cd272599d0b38fa3f13053c841e11 Mon Sep 17 00:00:00 2001
From: Xavier Arteaga <xavier@softwareradiosystems.com>
Date: Fri, 26 Mar 2021 08:03:37 +0100
Subject: [PATCH] Fix LDPC RM number of useful iterations

---
 lib/src/phy/fec/ldpc/ldpc_rm.c                 | 2 +-
 lib/src/phy/fec/ldpc/test/ldpc_rm_chain_test.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/src/phy/fec/ldpc/ldpc_rm.c b/lib/src/phy/fec/ldpc/ldpc_rm.c
index a52b80806..46fd7f1af 100644
--- a/lib/src/phy/fec/ldpc/ldpc_rm.c
+++ b/lib/src/phy/fec/ldpc/ldpc_rm.c
@@ -687,5 +687,5 @@ int srsran_ldpc_rm_rx_c(srsran_ldpc_rm_t*        q,
   }
 
   // Return the number of useful LLR
-  return (int)((q->k0 + q->E) % q->Ncb);
+  return (int)SRSRAN_MIN(q->k0 + q->E, q->Ncb);
 }
diff --git a/lib/src/phy/fec/ldpc/test/ldpc_rm_chain_test.c b/lib/src/phy/fec/ldpc/test/ldpc_rm_chain_test.c
index 5047a5fc2..f94c5239c 100644
--- a/lib/src/phy/fec/ldpc/test/ldpc_rm_chain_test.c
+++ b/lib/src/phy/fec/ldpc/test/ldpc_rm_chain_test.c
@@ -546,7 +546,7 @@ int main(int argc, char** argv)
                               lift_size,
                               rv,
                               mod_type,
-                              Nref)) {
+                              Nref) < 0) {
         exit(-1);
       }
     }