From b85385a058cf5f9f1e83b91be1c85d1f1931f1c5 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Tue, 3 May 2016 09:16:05 +0200
Subject: [PATCH] CHG:  removed a warning about unused variable. Lets see if
 perror works.

---
 client/uart.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/client/uart.c b/client/uart.c
index 5aefcf76..508eb672 100644
--- a/client/uart.c
+++ b/client/uart.c
@@ -119,7 +119,12 @@ void uart_close(const serial_port sp) {
   fl.l_start  = 0;
   fl.l_len    = 0;
   fl.l_pid    = getpid();
+
+  // Does the system allows us to place a lock on this file descriptor
   int err = fcntl(spu->fd, F_SETLK, &fl);
+  if ( err == -1) {
+     perror("fcntl");
+  }  
   close(spu->fd);
   free(sp);
 }
-- 
2.39.2