linux-kernel - Re: [PATCH v2] kobject: Restore old behaviour of kobject

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Message-ID: <20200803094659.GB635660@kroah.com>
Date:   Mon, 3 Aug 2020 11:46:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Qu Wenruo <quwenruo.btrfs@....com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH v2] kobject: Restore old behaviour of kobject_del(NULL)

On Mon, Aug 03, 2020 at 11:27:06AM +0300, Andy Shevchenko wrote:
> The commit 079ad2fb4bf9 ("kobject: Avoid premature parent object freeing in
> kobject_cleanup()") inadvertently dropped a possibility to call kobject_del()
> with NULL pointer. Restore the old behaviour.
> 
> Fixes: 079ad2fb4bf9 ("kobject: Avoid premature parent object freeing in kobject_cleanup()")
> Reported-by: Qu Wenruo <quwenruo.btrfs@....com>
> Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
> v2: replaced ?: with plain conditional (Greg)
>  lib/kobject.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Thanks, much better, will queue up after -rc1 is out.

greg k-h