MIPS: KVM: Simplify functions by removing redundancy

No logic changes inside.

Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/mips/kvm/kvm_mips_stats.c b/arch/mips/kvm/kvm_mips_stats.c
index 1ae9f88..a74d602 100644
--- a/arch/mips/kvm/kvm_mips_stats.c
+++ b/arch/mips/kvm/kvm_mips_stats.c
@@ -63,7 +63,7 @@
 	"DESAVE"
 };
 
-int kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
+void kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
 {
 #ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
 	int i, j;
@@ -77,6 +77,4 @@
 		}
 	}
 #endif
-
-	return 0;
 }