target/s390x/cpu_model: Make check_compatibility() return boolean

As error.h suggested, the best practice for callee is to return
something to indicate success / failure.

With returned boolean, there's no need to check @err.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240425031232.1586401-2-zhao1.liu@intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Zhao Liu 2024-04-25 11:12:26 +08:00 committed by Thomas Huth
parent 5fee33d97a
commit 7c0c099a88

View File

@ -510,7 +510,7 @@ static void check_compat_model_failed(Error **errp,
return;
}
static void check_compatibility(const S390CPUModel *max_model,
static bool check_compatibility(const S390CPUModel *max_model,
const S390CPUModel *model, Error **errp)
{
ERRP_GUARD();
@ -518,11 +518,11 @@ static void check_compatibility(const S390CPUModel *max_model,
if (model->def->gen > max_model->def->gen) {
check_compat_model_failed(errp, max_model, "Selected CPU generation is too new");
return;
return false;
} else if (model->def->gen == max_model->def->gen &&
model->def->ec_ga > max_model->def->ec_ga) {
check_compat_model_failed(errp, max_model, "Selected CPU GA level is too new");
return;
return false;
}
#ifndef CONFIG_USER_ONLY
@ -530,14 +530,14 @@ static void check_compatibility(const S390CPUModel *max_model,
error_setg(errp, "The unpack facility is not compatible with "
"the --only-migratable option. You must remove either "
"the 'unpack' facility or the --only-migratable option");
return;
return false;
}
#endif
/* detect the missing features to properly report them */
bitmap_andnot(missing, model->features, max_model->features, S390_FEAT_MAX);
if (bitmap_empty(missing, S390_FEAT_MAX)) {
return;
return true;
}
error_setg(errp, " ");
@ -546,6 +546,7 @@ static void check_compatibility(const S390CPUModel *max_model,
"available in the current configuration: ");
error_append_hint(errp,
"Consider a different accelerator, QEMU, or kernel version\n");
return false;
}
S390CPUModel *get_max_cpu_model(Error **errp)
@ -605,8 +606,7 @@ void s390_realize_cpu_model(CPUState *cs, Error **errp)
cpu->model->cpu_ver = max_model->cpu_ver;
check_consistency(cpu->model);
check_compatibility(max_model, cpu->model, &err);
if (err) {
if (!check_compatibility(max_model, cpu->model, &err)) {
error_propagate(errp, err);
return;
}