hw/ppc/spapr.c: use g_autofree in spapr_dt_chosen()

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220228175004.8862-2-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/ppc/spapr.c

@@ -1018,9 +1018,9 @@ static void spapr_dt_chosen(SpaprMachineState *spapr, void *fdt, bool reset)
 
     if (reset) {
         const char *boot_device = spapr->boot_device;
-        char *stdout_path = spapr_vio_stdout_path(spapr->vio_bus);
+        g_autofree char *stdout_path = spapr_vio_stdout_path(spapr->vio_bus);
         size_t cb = 0;
-        char *bootlist = get_boot_devices_list(&cb);
+        g_autofree char *bootlist = get_boot_devices_list(&cb);
 
         if (machine->kernel_cmdline && machine->kernel_cmdline[0]) {
             _FDT(fdt_setprop_string(fdt, chosen, "bootargs",
@@ -1087,9 +1087,6 @@ static void spapr_dt_chosen(SpaprMachineState *spapr, void *fdt, bool reset)
         }
 
         spapr_dt_ov5_platform_support(spapr, fdt, chosen);
-
-        g_free(stdout_path);
-        g_free(bootlist);
     }
 
     _FDT(spapr_dt_ovec(fdt, chosen, spapr->ov5_cas, "ibm,architecture-vec-5"));