From 057b927e999dd94e9baa0bb325a8513b259c3da9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Vejpustek?= <ondrej.vejpustek@satoshilabs.com>
Date: Mon, 1 Apr 2024 21:14:14 +0200
Subject: [PATCH] refactor(crypto): explicitly ignore return value

---
 crypto/zkp_ecdsa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/crypto/zkp_ecdsa.c b/crypto/zkp_ecdsa.c
index 7ae018773..aca2c2177 100644
--- a/crypto/zkp_ecdsa.c
+++ b/crypto/zkp_ecdsa.c
@@ -365,8 +365,10 @@ int zkp_ecdsa_verify_digest(const ecdsa_curve *curve,
   }
 
   if (result == 0) {
-    secp256k1_ecdsa_signature_normalize(context_read_only, &signature,
-                                        &signature);
+    (void)secp256k1_ecdsa_signature_normalize(
+        context_read_only, &signature,
+        &signature);  // The return value inidicates whether the signature was
+                      // already normalized
 
     if (secp256k1_ecdsa_verify(context_read_only, &signature, digest,
                                &public_key) != 1) {