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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>
This commit is contained in:
Leonardo Bras 2020-03-19 01:03:26 -03:00 committed by Alistair Francis
parent 3d0ac34603
commit 9f252c7c88
1 changed files with 6 additions and 1 deletions
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7
device_tree.c
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@ -530,7 +530,12 @@ void qemu_fdt_dumpdtb(void *fdt, int size)
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);
}
}