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

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Date:	Tue, 11 Feb 2014 14:18:48 +0100
From:	Boris BREZILLON <b.brezillon@...rkiz.com>
To:	Masanari Iida <standby24x7@...il.com>,
	linux-kernel@...r.kernel.org, mturquette@...aro.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 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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