Re: [PATCH] clk:at91: Fix memory leak in of_at91_clk_master_setup()

From: Alexandre Belloni
Date: Sat Feb 15 2014 - 11:47:47 EST


On 11/02/2014 at 22:15:07 +0900, 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@xxxxxxxxx>

Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

> ---
> 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,
> --
> 1.9.rc1
>
>
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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