linux-kernel - Re: [PATCH] reset: Free struct reset_control_array in reset_control_array

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Message-ID: <3a970f3f3518485f58e86f2523e5085f47ec4b15.camel@pengutronix.de>
Date:   Mon, 04 Nov 2019 17:30:44 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Jyri Sarha <jsarha@...com>, linux-kernel@...r.kernel.org
Cc:     tomi.valkeinen@...com, colin.king@...onical.com, treding@...dia.com
Subject: Re: [PATCH] reset: Free struct reset_control_array in
 reset_control_array_put()

Hi Jyri,

On Mon, 2019-11-04 at 18:24 +0200, Jyri Sarha wrote:
> Fix memory leak in devm_reset_control_array_get(). Free also the
> struct reset_control_array pointer in reset_control_array_put() not
> only the reset-controls stored in it.
> 
> Reported-by: Tomi Valkeinen <tomi.valkeinen@...com>
> Signed-off-by: Jyri Sarha <jsarha@...com>
> ---
>  drivers/reset/core.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/reset/core.c b/drivers/reset/core.c
> index 213ff40dda11..85d9676ee969 100644
> --- a/drivers/reset/core.c
> +++ b/drivers/reset/core.c
> @@ -748,6 +748,8 @@ static void reset_control_array_put(struct reset_control_array *resets)
>  	for (i = 0; i < resets->num_rstcs; i++)
>  		__reset_control_put_internal(resets->rstc[i]);
>  	mutex_unlock(&reset_list_mutex);
> +
> +	kfree(resets);
>  }
>  
>  /**

Thank you, this just got fixed in 532f9cd6ee99 ("reset: Fix memory leak
in reset_control_array_put()").

regards
Philipp