From 1e288713828c9a3df504db323621852900ad2cc6 Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Sun, 8 Sep 2013 23:42:30 +0200
Subject: [PATCH] Constant for broacast and test ordering

---
 src/modbus-rtu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modbus-rtu.c b/src/modbus-rtu.c
index c07e3a0..0d750b3 100644
--- a/src/modbus-rtu.c
+++ b/src/modbus-rtu.c
@@ -348,7 +348,7 @@ static int _modbus_rtu_pre_check_confirmation(modbus_t *ctx, const uint8_t *req,
 {
     /* Check responding slave is the slave we requested (except for broacast
      * request) */
-    if (req[0] != 0 && req[0] != rsp[0]) {
+    if (req[0] != rsp[0] && req[0] != MODBUS_BROADCAST_ADDRESS) {
         if (ctx->debug) {
             fprintf(stderr,
                     "The responding slave %d isn't the requested slave %d",
--
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