drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bna/bna_ctrl.c b/drivers/net/bna/bna_ctrl.c
index f3034d6..ddd922f 100644
--- a/drivers/net/bna/bna_ctrl.c
+++ b/drivers/net/bna/bna_ctrl.c
@@ -25,8 +25,8 @@
 static int
 bna_is_aen(u8 msg_id)
 {
-	return (msg_id == BFI_LL_I2H_LINK_DOWN_AEN ||
-		msg_id == BFI_LL_I2H_LINK_UP_AEN);
+	return msg_id == BFI_LL_I2H_LINK_DOWN_AEN ||
+	       msg_id == BFI_LL_I2H_LINK_UP_AEN;
 }
 
 static void
@@ -1702,7 +1702,7 @@
 int
 bna_device_status_get(struct bna_device *device)
 {
-	return (device->fsm == (bfa_fsm_t)bna_device_sm_ready);
+	return device->fsm == (bfa_fsm_t)bna_device_sm_ready;
 }
 
 void