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: 2d52dabbef60 ("can: mcp251x: add GPIO support")
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
---
v1->v2: add fixes tag
 drivers/net/can/spi/mcp251x.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index c320de474f40..00ed46683656 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1415,11 +1415,14 @@ static int mcp251x_can_probe(struct spi_device *spi)
 
 	ret = mcp251x_gpio_setup(priv);
 	if (ret)
-		goto error_probe;
+		goto err_reg_candev;
 
 	netdev_info(net, "MCP%x successfully initialized.\n", priv->model);
 	return 0;
 
+err_reg_candev:
+	unregister_candev(net);
+
 error_probe:
 	destroy_workqueue(priv->wq);
 	priv->wq = NULL;
-- 
2.35.1

On 24.10.2022 17:02:52, Dongliang Mu wrote:
> 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: 2d52dabbef60 ("can: mcp251x: add GPIO support")
> Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>

Applied to can/main.

Thanks,
Marc

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