From 184c489cbd7e70b5fb36bf0ca855a5e5badb642a Mon Sep 17 00:00:00 2001
From: Stéphane Raimbault <stephane.raimbault@gmail.com>
Date: Thu, 7 Nov 2013 13:16:00 +0100
Subject: [PATCH] Fix C compiler compliance error

---
 src/modbus.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/modbus.c b/src/modbus.c
index ebb0f76..356d006 100644
--- a/src/modbus.c
+++ b/src/modbus.c
@@ -122,12 +122,14 @@ static void _sleep_response_timeout(modbus_t *ctx)
 
 int modbus_flush(modbus_t *ctx)
 {
+    int rc;
+
     if (ctx == NULL) {
         errno = EINVAL;
         return -1;
     }
 
-    int rc = ctx->backend->flush(ctx);
+    rc = ctx->backend->flush(ctx);
     if (rc != -1 && ctx->debug) {
         /* Not all backends are able to return the number of bytes flushed */
         printf("Bytes flushed (%d)\n", rc);
--
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