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vl: Clean up machine selection in main(). 

We set machine_class to the default first, and update it to the real
one later.  Any use of machine_class in between is almost certainly
wrong (there are no such uses right now).  Set it once and for all
instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This commit is contained in:
Markus Armbruster 2016-02-16 15:51:53 +01:00
parent bbe2d25c8f
commit 7580f231cf
1 changed files with 6 additions and 5 deletions
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11
vl.c
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@ -2762,8 +2762,9 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
return popt; return popt;
} }
static void set_machine_options(MachineClass **machine_class) static MachineClass *select_machine(void)
{ {
MachineClass *machine_class = find_default_machine();
const char *optarg; const char *optarg;
QemuOpts *opts; QemuOpts *opts;
Location loc; Location loc;
@ -2775,16 +2776,17 @@ static void set_machine_options(MachineClass **machine_class)
optarg = qemu_opt_get(opts, "type"); optarg = qemu_opt_get(opts, "type");
if (optarg) { if (optarg) {
*machine_class = machine_parse(optarg); machine_class = machine_parse(optarg);
} }
if (*machine_class == NULL) { if (!machine_class) {
error_report("No machine specified, and there is no default"); error_report("No machine specified, and there is no default");
error_printf("Use -machine help to list supported machines\n"); error_printf("Use -machine help to list supported machines\n");
exit(1); exit(1);
} }
loc_pop(&loc); loc_pop(&loc);
return machine_class;
} }
static int machine_set_property(void *opaque, static int machine_set_property(void *opaque,
@ -3031,7 +3033,6 @@ int main(int argc, char **argv, char **envp)
os_setup_early_signal_handling(); os_setup_early_signal_handling();
module_call_init(MODULE_INIT_MACHINE); module_call_init(MODULE_INIT_MACHINE);
machine_class = find_default_machine();
cpu_model = NULL; cpu_model = NULL;
snapshot = 0; snapshot = 0;
cyls = heads = secs = 0; cyls = heads = secs = 0;
@ -4022,7 +4023,7 @@ int main(int argc, char **argv, char **envp)
replay_configure(icount_opts); replay_configure(icount_opts);
set_machine_options(&machine_class); machine_class = select_machine();
set_memory_options(&ram_slots, &maxram_size, machine_class); set_memory_options(&ram_slots, &maxram_size, machine_class);