can: softing_cs: softingcs_probe(): fix memleak on registration failure

In case device registration fails during probe, the driver state and
the embedded platform device structure needs to be freed using
platform_device_put() to properly free all resources (e.g. the device
name).

Fixes: 0a0b7a5f7a ("can: add driver for Softing card")
Link: https://lore.kernel.org/all/20211222104843.6105-1-johan@kernel.org
Cc: stable@vger.kernel.org # 2.6.38
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Johan Hovold 2021-12-22 11:48:43 +01:00 committed by Marc Kleine-Budde
parent 6dc9a23e29
commit ced4913efb

View file

@ -293,7 +293,7 @@ static int softingcs_probe(struct pcmcia_device *pcmcia)
return 0;
platform_failed:
kfree(dev);
platform_device_put(pdev);
mem_failed:
pcmcia_bad:
pcmcia_failed: