Re: [PATCH V2 2/2] clocksource: imx-gpt: add necessary kfree to avoid resource leak

From: Daniel Lezcano
Date: Mon Nov 05 2018 - 08:34:49 EST


Hi Anson,

On 05/11/2018 02:10, Anson Huang wrote:
> kfree should be called to free resource in error path
> before return.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> drivers/clocksource/timer-imx-gpt.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c
> index a3d6ccb..0f78b30 100644
> --- a/drivers/clocksource/timer-imx-gpt.c
> +++ b/drivers/clocksource/timer-imx-gpt.c
> @@ -477,12 +477,16 @@ static int __init mxc_timer_init_dt(struct device_node *np, enum imx_gpt_type t
> return -ENOMEM;
>
> imxtm->base = of_iomap(np, 0);
> - if (!imxtm->base)
> + if (!imxtm->base) {
> + kfree(imxtm);
> return -ENXIO;
> + }
>
> imxtm->irq = irq_of_parse_and_map(np, 0);
> - if (imxtm->irq <= 0)
> + if (imxtm->irq <= 0) {
> + kfree(imxtm);
> return -EINVAL;
> + }
>
> imxtm->clk_ipg = of_clk_get_by_name(np, "ipg");

Please convert to timer-of API.

Thanks

-- Daniel


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