Return correct error code in TEMPLATE DecodeECC_DSA_Sig_Ex

Author: Lealem Amedie

wolfcrypt/src/asn.c

@@ -32149,6 +32149,11 @@ int DecodeECC_DSA_Sig_Ex(const byte* sig, word32 sigLen, mp_int* r, mp_int* s,
     /* Decode the DSA signature. */
     ret = GetASN_Items(dsaSigASN, dataASN, dsaSigASN_Length, 0, sig, &idx,
                        sigLen);
+
+    if (ret != 0) {
+        ret = ASN_ECC_KEY_E;
+    }
+
 #ifndef NO_STRICT_ECDSA_LEN
     /* sanity check that the index has been advanced all the way to the end of
      * the buffer */