linux-kernel - Re: [PATCH] clk:at91: Fix memory leak in of_at91_clk_master

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Date:	Thu, 27 Feb 2014 09:21:37 +0100
From:	Boris BREZILLON <b.brezillon@...rkiz.com>
To:	Mike Turquette <mturquette@...aro.org>,
	Masanari Iida <standby24x7@...il.com>,
	linux-kernel@...r.kernel.org
CC:	nicolas.ferre@...el.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] clk:at91: Fix memory leak in of_at91_clk_master_setup()

On 27/02/2014 03:02, Mike Turquette wrote:
> Quoting Boris BREZILLON (2014-02-15 09:08:12)
>> Hi Mike,
>>
>> Could you take this patch for the next 3.14 release ?
> Taken in for the next batch of fixes.
Thanks.
>
> Regards,
> Mike
>
>> Best Regards,
>>
>> Boris
>>
>> On 11/02/2014 14:18, Boris BREZILLON wrote:
>>> On 11/02/2014 14:15, Masanari Iida wrote:
>>>> cppcheck detected following error
>>>> [clk-master.c:245]: (error) Memory leak: characteristics
>>>>
>>>> The original code forgot to free characteristics when
>>>> irq_of_parse_and_map() failed.
>>>>
>>>> Signed-off-by: Masanari Iida <standby24x7@...il.com>
>>> Acked-by Boris BREZILLON <b.brezillon@...rkiz.com>
>>>
>>> Thanks for fixing this.
>>>
>>> Best Regards,
>>>
>>> Boris
>>>> ---
>>>>    drivers/clk/at91/clk-master.c | 2 +-
>>>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/clk/at91/clk-master.c
>>>> b/drivers/clk/at91/clk-master.c
>>>> index bd313f7..c1af80b 100644
>>>> --- a/drivers/clk/at91/clk-master.c
>>>> +++ b/drivers/clk/at91/clk-master.c
>>>> @@ -242,7 +242,7 @@ of_at91_clk_master_setup(struct device_node *np,
>>>> struct at91_pmc *pmc,
>>>>          irq = irq_of_parse_and_map(np, 0);
>>>>        if (!irq)
>>>> -        return;
>>>> +        goto out_free_characteristics;
>>>>          clk = at91_clk_register_master(pmc, irq, name, num_parents,
>>>>                           parent_names, layout,

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