ehea: simplify conditional

Simplify: ((a && b) || (!a && !b)) => (a == b)

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Acked-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 15401af..6932578 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -1918,7 +1918,7 @@
 	struct hcp_ehea_port_cb7 *cb7;
 	u64 hret;
 
-	if ((enable && port->promisc) || (!enable && !port->promisc))
+	if (enable == port->promisc)
 		return;
 
 	cb7 = (void *)get_zeroed_page(GFP_ATOMIC);