On Mon, Nov 26, 2018 at 06:53:55PM +0100, Michael Straube wrote:
> If cdev_add() fails, cdev_del() should be called.
> Add the missing cdev_del() call as pointed out by
> Dan Carpenter.
>
> Signed-off-by: Michael Straube <straube.li...@gmail.com>
> ---
> drivers/staging/pi433/pi433_if.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/pi433/pi433_if.c
> b/drivers/staging/pi433/pi433_if.c
> index d72de2105053..abc98a544929 100644
> --- a/drivers/staging/pi433/pi433_if.c
> +++ b/drivers/staging/pi433/pi433_if.c
> @@ -1254,6 +1254,7 @@ static int pi433_probe(struct spi_device *spi)
> retval = cdev_add(device->cdev, device->devt, 1);
> if (retval) {
> dev_dbg(device->dev, "register of cdev failed");
> + cdev_del(device->cdev);
> goto cdev_failed;
No no... That's not the right thing. Do "goto del_cdev;" and add a
label at the end.
del_cdev:
cdev_del(device->cdev);
regards,
dan carpenter
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