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Message-ID: <Y9zWoUQtj4pNHA2L@alley>
Date: Fri, 3 Feb 2023 10:40:49 +0100
From: Petr Mladek <pmladek@...e.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, Chris Down <chris@...isdown.name>,
Sergey Senozhatsky <senozhatsky@...omium.org>,
Steven Rostedt <rostedt@...dmis.org>,
John Ogness <john.ogness@...utronix.de>
Subject: Re: [PATCH] kernel/printk/index.c: fix memory leak with using
debugfs_lookup()
On Thu 2023-02-02 16:14:11, Greg Kroah-Hartman wrote:
> When calling debugfs_lookup() the result must have dput() called on it,
> otherwise the memory will leak over time. To make things simpler, just
> call debugfs_lookup_and_remove() instead which handles all of the logic
> at once.
>
> Cc: Chris Down <chris@...isdown.name>
> Cc: Petr Mladek <pmladek@...e.com>
> Cc: Sergey Senozhatsky <senozhatsky@...omium.org>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: John Ogness <john.ogness@...utronix.de>
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Petr Mladek <pmladek@...e.com>
Best Regards,
Petr
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