net/can/mscan: Fix buggy listen only mode setting

This patch fixes an issue introduced recently with commit
452448f9283e1939408b397e87974a418825b0a8.

CC: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/can/mscan/mscan.c

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 74f3b18..1c82dd8 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -581,7 +581,7 @@
 
 	priv->open_time = jiffies;
 
-	if (ctrlmode.flags & CAN_CTRLMODE_LISTENONLY)
+	if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
 		setbits8(&regs->canctl1, MSCAN_LISTEN);
 	else
 		clrbits8(&regs->canctl1, MSCAN_LISTEN);