From adb779965354638c43d26bf197fb06aa49d1f8cf Mon Sep 17 00:00:00 2001 From: Daniel Henrique Barboza Date: Mon, 26 Sep 2022 14:38:51 -0300 Subject: [PATCH] hw/ppc: set machine->fdt in pnv_reset() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This will enable support for the 'dumpdtb' QMP/HMP command for all powernv machines. Reviewed-by: Cédric Le Goater Reviewed-by: Frederic Barrat Signed-off-by: Daniel Henrique Barboza Message-Id: <20220926173855.1159396-13-danielhb413@gmail.com> --- hw/ppc/pnv.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 78e00afb9b..40bb573d1a 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -678,7 +678,13 @@ static void pnv_reset(MachineState *machine) qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); - g_free(fdt); + /* + * Set machine->fdt for 'dumpdtb' QMP/HMP command. Free + * the existing machine->fdt to avoid leaking it during + * a reset. + */ + g_free(machine->fdt); + machine->fdt = fdt; } static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp)