Re: [PATCH] clk: st: Fix memory leak in st_of_quadfs_setup()
From: Patrice CHOTARD
Date: Tue Nov 22 2022 - 11:43:34 EST
Hi Xiu
On 11/22/22 14:36, Xiu Jianfeng wrote:
> If st_clk_register_quadfs_pll() fails, @lock should be freed before goto
> @err_exit, otherwise will cause meory leak issue, fix it.
>
> Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
> ---
> drivers/clk/st/clkgen-fsyn.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
> index d820292a381d..40df1db102a7 100644
> --- a/drivers/clk/st/clkgen-fsyn.c
> +++ b/drivers/clk/st/clkgen-fsyn.c
> @@ -1020,9 +1020,10 @@ static void __init st_of_quadfs_setup(struct device_node *np,
>
> clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, datac->data,
> reg, lock);
> - if (IS_ERR(clk))
> + if (IS_ERR(clk)) {
> + kfree(lock);
> goto err_exit;
> - else
> + } else
> pr_debug("%s: parent %s rate %u\n",
> __clk_get_name(clk),
> __clk_get_name(clk_get_parent(clk)),
Reviewed-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
Thanks
Patrice