From 5f4de5bf48adea1a6bf514dae9e455b046c50744 Mon Sep 17 00:00:00 2001
From: Amaury Pouly <amaury.pouly@gmail.com>
Date: Tue, 19 Sep 2017 21:53:52 +0200
Subject: nwztools/scsitools: make do_fw_upgrade output less confusing

Change-Id: If616e646aeddf20aa3cee79a821a420d9102c708
---
 utils/nwztools/scsitools/scsitool.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'utils/nwztools')

diff --git a/utils/nwztools/scsitools/scsitool.c b/utils/nwztools/scsitools/scsitool.c
index 63a23c416d..a4aa853f46 100644
--- a/utils/nwztools/scsitools/scsitool.c
+++ b/utils/nwztools/scsitools/scsitool.c
@@ -758,9 +758,13 @@ int do_fw_upgrade(int argc, char **argv)
         cprintf(GREY, "An error occured during request\n");
         return ret;
     }
-    buffer[buffer_size] = 0;
-    cprintf_field("Result:", "\n");
-    print_hex(buffer, buffer_size);
+    /* the device is not supposed to send back anything but if it does, print it */
+    if(buffer_size > 0)
+    {
+        buffer[buffer_size] = 0;
+        cprintf_field("Result:", "\n");
+        print_hex(buffer, buffer_size);
+    }
     return 0;
 }
 
-- 
cgit