KVM: x86: remove redundant ret variable

Return value from apic_get_tmcct() directly instead of taking
this in another redundant variable.

Signed-off-by: zhang songyi <zhang.songyi@zte.com.cn>
Link: https://lore.kernel.org/r/202211231704457807160@zte.com.cn
Signed-off-by: Sean Christopherson <seanjc@google.com>

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 7cf4eebc9bcc8ec3c06f029b8463b388f7c58cfc..08450b3e7040c323ce9359d09468cc735f81ea13 100644 (file)
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1487,7 +1487,6 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
 {
        ktime_t remaining, now;
        s64 ns;
-       u32 tmcct;
 
        ASSERT(apic != NULL);
 
@@ -1502,10 +1501,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
                remaining = 0;
 
        ns = mod_64(ktime_to_ns(remaining), apic->lapic_timer.period);
-       tmcct = div64_u64(ns,
-                        (APIC_BUS_CYCLE_NS * apic->divide_count));
-
-       return tmcct;
+       return div64_u64(ns, (APIC_BUS_CYCLE_NS * apic->divide_count));
 }
 
 static void __report_tpr_access(struct kvm_lapic *apic, bool write)