KVM: x86: Move __linearize masking of la into switch

In __linearize there is check of the condition whether to check if masking of
the linear address is needed.  It occurs immediately after switch that
evaluates the same condition.  Merge them.
Signed-off-by: NNadav Amit <namit@cs.technion.ac.il>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/emulate.c

@@ -670,10 +670,9 @@ static __always_inline int __linearize(struct x86_emulate_ctxt *ctxt,
 		}
 		if (size > *max_size)
 			goto bad;
+		la &= (u32)-1;
 		break;
 	}
-	if (ctxt->mode != X86EMUL_MODE_PROT64)
-		la &= (u32)-1;
 	if (insn_aligned(ctxt, size) && ((la & (size - 1)) != 0))
 		return emulate_gp(ctxt, 0);
 	*linear = la;