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

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Date:   Mon, 4 Nov 2019 21:03:36 +0200
From:   Jyri Sarha <jsarha@...com>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        <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()

On 04/11/2019 18:30, Philipp Zabel wrote:
> 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()").
> 

Ok, sorry. I just checked the mainline, not the mailing lists etc.

Best regards,
Jyri


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