tls: pake: fix missing return values check

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 810db24..c5a8d24 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1908,7 +1908,7 @@
         return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
     }
 
-    psa_pake_set_password_key( &ssl->handshake->psa_pake_ctx,
+    status = psa_pake_set_password_key( &ssl->handshake->psa_pake_ctx,
                                 ssl->handshake->psa_pake_password );
     if( status != PSA_SUCCESS )
     {
@@ -1956,7 +1956,7 @@
     if( status != PSA_SUCCESS )
         goto error;
 
-    psa_pake_set_password_key( &ssl->handshake->psa_pake_ctx,
+    status = psa_pake_set_password_key( &ssl->handshake->psa_pake_ctx,
                                 ssl->handshake->psa_pake_password );
     if( status != PSA_SUCCESS )
         goto error;