[PATCH] KVM: x86: Remove break statements that will never be executed

From: Like Xu
Date: Mon Aug 07 2023 - 05:43:21 EST


From: Like Xu <likexu@xxxxxxxxxxx>

Fix compiler warnings when compiling KVM with [-Wunreachable-code-break].
No functional change intended.

Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Signed-off-by: Like Xu <likexu@xxxxxxxxxxx>
---
arch/x86/kvm/emulate.c | 2 --
arch/x86/kvm/hyperv.c | 1 -
arch/x86/kvm/x86.c | 1 -
3 files changed, 4 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 936a397a08cd..2673cd5c46cb 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1799,13 +1799,11 @@ static int writeback(struct x86_emulate_ctxt *ctxt, struct operand *op)
op->addr.mem,
&op->val,
op->bytes);
- break;
case OP_MEM_STR:
return segmented_write(ctxt,
op->addr.mem,
op->data,
op->bytes * op->count);
- break;
case OP_XMM:
kvm_write_sse_reg(op->addr.xmm, &op->vec_val);
break;
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index b28fd020066f..7c2dac6824e2 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1293,7 +1293,6 @@ static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr)
case HV_X64_MSR_VP_ASSIST_PAGE:
return hv_vcpu->cpuid_cache.features_eax &
HV_MSR_APIC_ACCESS_AVAILABLE;
- break;
case HV_X64_MSR_TSC_FREQUENCY:
case HV_X64_MSR_APIC_FREQUENCY:
return hv_vcpu->cpuid_cache.features_eax &
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 34945c7dba38..f3f8d27acc96 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4647,7 +4647,6 @@ static int kvm_x86_dev_get_attr(struct kvm_device_attr *attr)
return 0;
default:
return -ENXIO;
- break;
}
}


base-commit: 240f736891887939571854bd6d734b6c9291f22e
--
2.41.0