add Markus
On 2020/11/10 2:09, Dongjiu Geng wrote:
> Free memory mapping and free clk_data, if clock initialization
> is not successful.
>
> Fixes: 75af25f581b1 ("clk: hisi: remove static variable")
> Fixes: 62ac983b6141 ("clk: hisilicon: add hi3620_mmc_clks")
> Signed-off-by: Dongjiu Geng <gengdong...@huawei.com>
> ---
> drivers/clk/hisilicon/clk-hi3620.c | 8 ++++++--
> drivers/clk/hisilicon/clk.c | 11 ++++++-----
> 2 files changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/hisilicon/clk-hi3620.c
> b/drivers/clk/hisilicon/clk-hi3620.c
> index a3d04c7c3da8..864d2ddfc73c 100644
> --- a/drivers/clk/hisilicon/clk-hi3620.c
> +++ b/drivers/clk/hisilicon/clk-hi3620.c
> @@ -464,11 +464,11 @@ static void __init hi3620_mmc_clk_init(struct
> device_node *node)
>
> clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL);
> if (WARN_ON(!clk_data))
> - return;
> + goto unmap_io;
>
> clk_data->clks = kcalloc(num, sizeof(*clk_data->clks), GFP_KERNEL);
> if (!clk_data->clks)
> - return;
> + goto free_clk_data;
>
> for (i = 0; i < num; i++) {
> struct hisi_mmc_clock *mmc_clk = &hi3620_mmc_clks[i];
> @@ -478,6 +478,10 @@ static void __init hi3620_mmc_clk_init(struct
> device_node *node)
>
> clk_data->clk_num = num;
> of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
> +free_clk_data:
> + kfree(clk_data);
> +unmap_io:
> + iounmap(base);
> }
>
> CLK_OF_DECLARE(hi3620_mmc_clk, "hisilicon,hi3620-mmc-clock",
> hi3620_mmc_clk_init);
> diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c
> index 54d9fdc93599..da655683710f 100644
> --- a/drivers/clk/hisilicon/clk.c
> +++ b/drivers/clk/hisilicon/clk.c
> @@ -65,25 +65,26 @@ struct hisi_clock_data *hisi_clk_init(struct device_node
> *np,
> base = of_iomap(np, 0);
> if (!base) {
> pr_err("%s: failed to map clock registers\n", __func__);
> - goto err;
> + return NULL;
> }
>
> clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL);
> if (!clk_data)
> - goto err;
> + goto unmap_io;
>
> clk_data->base = base;
> clk_table = kcalloc(nr_clks, sizeof(*clk_table), GFP_KERNEL);
> if (!clk_table)
> - goto err_data;
> + goto free_clk_data;
>
> clk_data->clk_data.clks = clk_table;
> clk_data->clk_data.clk_num = nr_clks;
> of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data);
> return clk_data;
> -err_data:
> +free_clk_data:
> kfree(clk_data);
> -err:
> +unmap_io:
> + iounmap(base);
> return NULL;
> }
> EXPORT_SYMBOL_GPL(hisi_clk_init);
>
