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can: kvaser_pciefd: kvaser_pciefd_open(): fix error handling

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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>
This commit is contained in:
Zhang Qilong 2020-11-28 21:39:22 +08:00 committed by Marc Kleine-Budde
parent 44cef0c0ff
commit 13a84cf37a
1 changed files with 3 additions and 1 deletions
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4
drivers/net/can/kvaser_pciefd.c
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@ -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;
}