[PATCH 1/3] target/loongarch: Return directly when detect KVM disabled features

[Bibo Mao]

For some paravirt KVM features, if user forces to enable it however
KVM does not support, qemu should fail to run. Here set error message
and return directly in function kvm_arch_init_vcpu().

Signed-off-by: Bibo Mao <maob...@loongson.cn>
---
 target/loongarch/kvm/kvm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
index 28735c80be..b7f370ba97 100644
--- a/target/loongarch/kvm/kvm.c
+++ b/target/loongarch/kvm/kvm.c
@@ -1091,21 +1091,25 @@ int kvm_arch_init_vcpu(CPUState *cs)
     ret = kvm_cpu_check_lsx(cs, &local_err);
     if (ret < 0) {
         error_report_err(local_err);
+        return ret;
     }
 
     ret = kvm_cpu_check_lasx(cs, &local_err);
     if (ret < 0) {
         error_report_err(local_err);
+        return ret;
     }
 
     ret = kvm_cpu_check_lbt(cs, &local_err);
     if (ret < 0) {
         error_report_err(local_err);
+        return ret;
     }
 
     ret = kvm_cpu_check_pmu(cs, &local_err);
     if (ret < 0) {
         error_report_err(local_err);
+        return ret;
     }
 
     ret = kvm_cpu_check_pv_features(cs, &local_err);
-- 
2.39.3