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 --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; }