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 <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>

Author: Chen Zhou

arch/powerpc/kvm/book3s_hv_nested.c

@@ -1416,8 +1416,7 @@ 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);
+	kfree(n_rmap);
 	if (ret == -EAGAIN)
 		ret = RESUME_GUEST;	/* Let the guest try again */