Am 04.02.2013 12:14, schrieb Igor Mammedov: > On Sat, 2 Feb 2013 01:37:06 +0100 > Andreas Färber <afaer...@suse.de> wrote: > >> diff --git a/target-i386/cpu.c b/target-i386/cpu.c >> index e74802b..ee2fd6b 100644 >> --- a/target-i386/cpu.c >> +++ b/target-i386/cpu.c [..] >> @@ -1578,26 +1566,50 @@ out: >> >> X86CPU *cpu_x86_init(const char *cpu_model) >> { >> - X86CPU *cpu; >> + X86CPU *cpu = NULL; >> CPUX86State *env; >> + gchar **model_pieces; >> + char *name, *features; >> Error *error = NULL; >> >> + model_pieces = g_strsplit(cpu_model, ",", 2); >> + if (!model_pieces[0]) { >> + error_setg(&error, "Invalid/empty CPU model name"); >> + goto error; >> + } >> + name = model_pieces[0]; >> + features = model_pieces[1]; >> + >> cpu = X86_CPU(object_new(TYPE_X86_CPU)); >> env = &cpu->env; >> env->cpu_model_str = cpu_model; >> >> - if (cpu_x86_register(cpu, cpu_model) < 0) { >> - object_delete(OBJECT(cpu)); >> - return NULL; >> + if (cpu_x86_register(cpu, name) < 0) { >> + goto error; >> + } >> + >> + cpu_x86_parse_featurestr(cpu, features, &error); >> + if (error) { >> + goto error; >> } >> >> object_property_set_bool(OBJECT(cpu), true, "realized", &error); >> if (error) { >> + goto error; >> + } >> + g_strfreev(model_pieces); >> + return cpu; >> + >> +error: > Could you use common exit path like it's done in cpu_x86_register()? > That allows to avoid cleanup code duplication on exit.
Well, we don't want to object_unref() the CPU in the cleanup path, so we would need to set Error* also in the registration case and move it into that code path, that would be possible. Andreas >> + g_strfreev(model_pieces); >> + if (error) { >> + fprintf(stderr, "%s\n", error_get_pretty(error)); >> error_free(error); >> + } >> + if (cpu != NULL) { >> object_delete(OBJECT(cpu)); >> - return NULL; >> } >> - return cpu; >> + return NULL; >> } >> >> #if !defined(CONFIG_USER_ONLY) -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg