From: Johan Hovold <johan@xxxxxxxxxx> commit 26a8b09437804fabfb1db080d676b96c0de68e7c upstream. In case device registration fails during module initialisation, the platform device structure needs to be freed using platform_device_put() to properly free all resources (e.g. the device name). Fixes: 938835aa903a ("platform/x86: intel_pmc_core: do not create a static struct device") Cc: stable@xxxxxxxxxxxxxxx # 5.9 Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211222105023.6205-1-johan@xxxxxxxxxx Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/platform/x86/intel/pmc/pltdrv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/platform/x86/intel/pmc/pltdrv.c +++ b/drivers/platform/x86/intel/pmc/pltdrv.c @@ -65,7 +65,7 @@ static int __init pmc_core_platform_init retval = platform_device_register(pmc_core_device); if (retval) - kfree(pmc_core_device); + platform_device_put(pmc_core_device); return retval; }