commit 9f252c7c88eacbf21dadcfe117b0d08f2e88ceeb
author Leonardo Bras <leonardo@linux.ibm.com> Thu Mar 19 01:03:26 2020 -0300
committer Alistair Francis <alistair.francis@wdc.com> Fri Mar 20 14:55:44 2020 -0700
tree 63a57be8a5fcb5edec171ae61f013e99da58b089
parent 3d0ac346032a1fa9afafcaedc979a99f670e077e

device_tree: Add info message when dumping dtb to file

When dumping dtb to a file, qemu exits silently before starting the VM.

Add info message so user can easily track why the proccess exits.
Add error message if dtb dump failed.

Signed-off-by: Leonardo Bras <leonardo@linux.ibm.com>
Message-Id: <20200319040326.391090-1-leonardo@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

device_tree.c

diff --git a/device_tree.c b/device_tree.c
index f8b46b3..bba6cc2 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -530,7 +530,12 @@
 
     if (dumpdtb) {
         /* Dump the dtb to a file and quit */
-        exit(g_file_set_contents(dumpdtb, fdt, size, NULL) ? 0 : 1);
+        if (g_file_set_contents(dumpdtb, fdt, size, NULL)) {
+            info_report("dtb dumped to %s. Exiting.", dumpdtb);
+            exit(0);
+        }
+        error_report("%s: Failed dumping dtb to %s", __func__, dumpdtb);
+        exit(1);
     }
 }