From 3e5b3418827cefb5e1cc658806f02965791b8f07 Mon Sep 17 00:00:00 2001 From: Dongliang Mu Date: Mon, 24 Oct 2022 19:48:07 +0800 Subject: can: mscan: mpc5xxx: mpc5xxx_can_probe(): add missing put_clock() in error path The commit 1149108e2fbf ("can: mscan: improve clock API use") only adds put_clock() in mpc5xxx_can_remove() function, forgetting to add put_clock() in the error handling code. Fix this bug by adding put_clock() in the error handling code. Fixes: 1149108e2fbf ("can: mscan: improve clock API use") Signed-off-by: Dongliang Mu Link: https://lore.kernel.org/all/20221024133828.35881-1-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde --- drivers/net/can/mscan/mpc5xxx_can.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c index c469b2f3e57d..b0ed798ae70f 100644 --- a/drivers/net/can/mscan/mpc5xxx_can.c +++ b/drivers/net/can/mscan/mpc5xxx_can.c @@ -322,14 +322,14 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) &mscan_clksrc); if (!priv->can.clock.freq) { dev_err(&ofdev->dev, "couldn't get MSCAN clock properties\n"); - goto exit_free_mscan; + goto exit_put_clock; } err = register_mscandev(dev, mscan_clksrc); if (err) { dev_err(&ofdev->dev, "registering %s failed (err=%d)\n", DRV_NAME, err); - goto exit_free_mscan; + goto exit_put_clock; } dev_info(&ofdev->dev, "MSCAN at 0x%p, irq %d, clock %d Hz\n", @@ -337,7 +337,9 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) return 0; -exit_free_mscan: +exit_put_clock: + if (data->put_clock) + data->put_clock(ofdev); free_candev(dev); exit_dispose_irq: irq_dispose_mapping(irq); -- cgit v1.2.3 From b1a09b63684cea56774786ca14c13b7041ffee63 Mon Sep 17 00:00:00 2001 From: Dongliang Mu Date: Mon, 24 Oct 2022 17:02:52 +0800 Subject: can: mcp251x: mcp251x_can_probe(): add missing unregister_candev() in error path 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 Link: https://lore.kernel.org/all/20221024090256.717236-1-dzm91@hust.edu.cn [mkl: adjust label] Signed-off-by: Marc Kleine-Budde --- drivers/net/can/spi/mcp251x.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index c320de474f40..24883a65ca66 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 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; -- cgit v1.2.3