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can: mcp251x: mcp251x_can_probe(): add missing unregister_candev() in error path

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[ Upstream commit b1a09b6368 ]

In mcp251x_can_probe(), if mcp251x_gpio_setup() fails, it forgets to
unregister the CAN device.

Fix this by unregistering can device in mcp251x_can_probe().

Fixes: 2d52dabbef ("can: mcp251x: add GPIO support")
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://lore.kernel.org/all/20221024090256.717236-1-dzm91@hust.edu.cn
[mkl: adjust label]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dongliang Mu 2022-10-24 17:02:52 +08:00 committed by Greg Kroah-Hartman
parent b83ca06a28
commit b5b545662c
1 changed files with 4 additions and 1 deletions
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5
drivers/net/can/spi/mcp251x.c
View file

@ -1415,11 +1415,14 @@ static int mcp251x_can_probe(struct spi_device *spi)
ret = mcp251x_gpio_setup(priv);
if (ret)
goto error_probe;
goto out_unregister_candev;
netdev_info(net, "MCP%x successfully initialized.\n", priv->model);
return 0;
out_unregister_candev:
unregister_candev(net);
error_probe:
destroy_workqueue(priv->wq);
priv->wq = NULL;