Re: [PATCH] clk: imx: scu: Use common error handling code in __imx_clk_gpr_scu()

From: Abel Vesa
Date: Fri Feb 02 2024 - 14:08:39 EST


On 23-12-22 10:23:13, Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 22 Dec 2023 10:05:32 +0100
>
> Use another label so that a bit of exception handling can be better reused
> at the end of this function.

Please don't send patches as reply to other(s) patches.

>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/clk/imx/clk-scu.c | 13 +++++++------
> 1 file changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
> index e48a904c0013..4ca9dccf3d3b 100644
> --- a/drivers/clk/imx/clk-scu.c
> +++ b/drivers/clk/imx/clk-scu.c
> @@ -882,19 +882,19 @@ struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_na
> return ERR_PTR(-ENOMEM);
>
> if (!imx_scu_clk_is_valid(rsrc_id)) {
> - kfree(clk_node);
> - return ERR_PTR(-EINVAL);
> + ret = -EINVAL;
> + goto free_clk_node;
> }
>
> if (!imx_clk_is_resource_owned(rsrc_id)) {
> - kfree(clk_node);
> - return NULL;
> + ret = 0;
> + goto free_clk_node;
> }
>
> clk = kzalloc(sizeof(*clk), GFP_KERNEL);
> if (!clk) {
> - kfree(clk_node);
> - return ERR_PTR(-ENOMEM);
> + ret = -ENOMEM;
> + goto free_clk_node;
> }
>
> clk->rsrc_id = rsrc_id;
> @@ -922,6 +922,7 @@ struct clk_hw *__imx_clk_gpr_scu(const char *name, const char * const *parent_na
> ret = clk_hw_register(NULL, hw);
> if (ret) {
> kfree(clk);
> +free_clk_node:
> kfree(clk_node);
> hw = ERR_PTR(ret);
> } else {
> --
> 2.43.0
>