diff mbox series

[net,5/5] can: kvaser_pciefd: kvaser_pciefd_open(): fix error handling

Message ID 20201130125307.218258-6-mkl@pengutronix.de
State New
Headers show
Series [net,1/5] can: m_can: tcan4x5x_can_probe(): fix error path: remove erroneous clk_disable_unprepare() | expand

Commit Message

Marc Kleine-Budde Nov. 30, 2020, 12:53 p.m. UTC 
From: Zhang Qilong <zhangqilong3@huawei.com>

If kvaser_pciefd_bus_on() failed, we should call close_candev() to avoid
reference leak.

Fixes: 26ad340e582d3 ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201128133922.3276973-3-zhangqilong3@huawei.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/kvaser_pciefd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index 72acd1ba162d..43151dd6cb1c 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -692,8 +692,10 @@  static int kvaser_pciefd_open(struct net_device *netdev)
 		return err;
 
 	err = kvaser_pciefd_bus_on(can);
-	if (err)
+	if (err) {
+		close_candev(netdev);
 		return err;
+	}
 
 	return 0;
 }