From: Greg KH <gre...@linuxfoundation.org>
3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpen...@oracle.com>
commit d9cb9bd63eb27ac19f26a8547128c053f43a5da8 upstream.
(CAN_CTRLMODE_LISTENONLY & CAN_CTRLMODE_LOOPBACK) is (0x02 & 0x01) which
is zero so the condition is never true. The intent here was to test
that both flags were set.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Acked-by: Oliver Hartkopp <socket...@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/can/c_can/c_can.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -590,8 +590,8 @@ static void c_can_chip_config(struct net
priv->write_reg(priv, &priv->regs->control,
CONTROL_ENABLE_AR);
- if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY &
- CAN_CTRLMODE_LOOPBACK)) {
+ if ((priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) &&
+ (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK)) {
/* loopback + silent mode : useful for hot self-test */
priv->write_reg(priv, &priv->regs->control, CONTROL_EIE |
CONTROL_SIE | CONTROL_IE | CONTROL_TEST);
--
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