KVM: x86/mmu: Remove superfluous gotos from mmu_topup_memory_caches()

Return errors directly from mmu_topup_memory_caches() instead of
branching to a label that does the same.

No functional change intended.
Reviewed-by: NBen Gardon <bgardon@google.com>
Signed-off-by: NSean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200703023545.8771-5-sean.j.christopherson@intel.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu/mmu.c

@@ -1101,13 +1101,11 @@ static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu)
 	r = mmu_topup_memory_cache(&vcpu->arch.mmu_pte_list_desc_cache,
 				   8 + PTE_PREFETCH_NUM);
 	if (r)
-		goto out;
+		return r;
 	r = mmu_topup_memory_cache(&vcpu->arch.mmu_page_cache, 8);
 	if (r)
-		goto out;
-	r = mmu_topup_memory_cache(&vcpu->arch.mmu_page_header_cache, 4);
-out:
 		return r;
+	return mmu_topup_memory_cache(&vcpu->arch.mmu_page_header_cache, 4);
 }
 
 static void mmu_free_memory_caches(struct kvm_vcpu *vcpu)