Re: [PATCH v3] pata_parport: fix memory leaks

[Damien Le Moal]

On 3/15/23 07:58, Ondrej Zary wrote:
> When ida_alloc() fails, "pi" is not freed although the misleading
> comment says otherwise.
> Move the ida_alloc() call up so we really don't have to free "pi" in
> case of ida_alloc() failure.
> 
> Also move ida_free() call from pi_remove_one() to
> pata_parport_dev_release(). It was dereferencing already freed dev
> pointer.
> 
> Testing revealed leak even in non-failure case which was tracked down
> to missing put_device() call after bus_find_device_by_name(). As a
> result, pata_parport_dev_release() was never called.
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <error27@xxxxxxxxx>
> Link: https://lore.kernel.org/r/202303111822.IHNchbkp-lkp@xxxxxxxxx/
> Signed-off-by: Ondrej Zary <linux@xxxxxxx>

Applied to for-6.3-fixes. Thanks !

-- 
Damien Le Moal
Western Digital Research