linux-kernel - Re: [PATCH] clk: ti: clkctrl: add the missed kfree() for _ti_omap4_clkctrl

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Message-ID: <159589945839.1360974.1977401781355555451@swboyd.mtv.corp.google.com>
Date:   Mon, 27 Jul 2020 18:24:18 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Jing Xiangfeng <jingxiangfeng@...wei.com>, mturquette@...libre.com,
        robh@...nel.org, t-kristo@...com, tony@...mide.com
Cc:     linux-omap@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, jingxiangfeng@...wei.com
Subject: Re: [PATCH] clk: ti: clkctrl: add the missed kfree() for _ti_omap4_clkctrl_setup()

Quoting Jing Xiangfeng (2020-07-20 05:23:43)
> _ti_omap4_clkctrl_setup() misses to call kfree() in an error path. Add
> the missed function call to fix it.
> 
> Fixes: 6c3090520554 ("clk: ti: clkctrl: Fix hidden dependency to node name")
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
> ---
>  drivers/clk/ti/clkctrl.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c
> index 864c484bde1b..868e50132c21 100644
> --- a/drivers/clk/ti/clkctrl.c
> +++ b/drivers/clk/ti/clkctrl.c
> @@ -655,8 +655,10 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
>                 }
>  
>                 hw = kzalloc(sizeof(*hw), GFP_KERNEL);
> -               if (!hw)
> +               if (!hw) {
> +                       kfree(clkctrl_name);
>                         return;
> +               }

Why not goto cleanup?

>  
>                 hw->enable_reg.ptr = provider->base + reg_data->offset;
>  
> -- 
> 2.17.1
>