diff mbox series

[5.9,028/105] can: kvaser_pciefd: kvaser_pciefd_open(): fix error handling

Message ID 20201214172556.633733426@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Dec. 14, 2020, 5:28 p.m. UTC
From: Zhang Qilong <zhangqilong3@huawei.com>

[ Upstream commit 13a84cf37a4cf1155a41684236c2314eb40cd65c ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 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 72acd1ba162d2..43151dd6cb1c3 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;
 }