KVM: PPC: Book3S HV: Remove redundant NULL check

Free function kfree() already does NULL check, so the additional
check is unnecessary, just remove it.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

arch/powerpc/kvm/book3s_hv_nested.c

@@ -1416,7 +1416,6 @@ static long int __kvmhv_nested_page_fault(struct kvm_run *run,
 	rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
 	ret = kvmppc_create_pte(kvm, gp->shadow_pgtable, pte, n_gpa, level,
 				mmu_seq, gp->shadow_lpid, rmapp, &n_rmap);
-	if (n_rmap)
 	kfree(n_rmap);
 	if (ret == -EAGAIN)
 		ret = RESUME_GUEST;	/* Let the guest try again */