In case the bitrate has been set via ip tool, this patch changes the
driver to send the open command ("O\r") to the adapter.
Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
---
(no changes since v2)
Changes in v2:
- Improve the commit message.
drivers/net/can/slcan.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index be3f7e5c685b..9bbf8f363f58 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -495,14 +495,23 @@ static int slc_open(struct net_device *dev)
netdev_err(dev,
"failed to send bitrate command 'C\\rS%d\\r'\n",
s);
- close_candev(dev);
- return err;
+ goto cmd_transmit_failed;
+ }
+
+ err = slcan_transmit_cmd(sl, "O\r");
+ if (err) {
+ netdev_err(dev, "failed to send open command 'O\\r'\n");
+ goto cmd_transmit_failed;
}
}
sl->can.state = CAN_STATE_ERROR_ACTIVE;
netif_start_queue(dev);
return 0;
+
+cmd_transmit_failed:
+ close_candev(dev);
+ return err;
}
static void slc_dealloc(struct slcan *sl)
--
2.32.0
