Re: [PATCH 14/45] clk: ingenic: Make sure clk_init_data is fully initialized

Paul Cercueil <[email protected]>
Newsgroups org.kernel.vger.linux-samsung-soc,dev.linux.lists.imx,dev.linux.lists.linux-sunxi,dev.linux.lists.soc,org.infradead.lists.linux-mediatek,org.kernel.vger.arm-scmi,org.kernel.vger.linux-clk,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips,org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-tegra,org.ozlabs.lists.linux-aspeed,org.ozlabs.lists.openbmc
Message-ID <[email protected]>
Hi Geert,

Le vendredi 21 août 2026 à 10:53 +0200, Geert Uytterhoeven a écrit :
> The clk_init_data structure contains several mutually-exclusive
> members
> for different methods to specify the possible parents of a clock,
> prompting drivers to initialize only the members they need.  However,
> not initializing all members may cause subtle issues, which are only
> exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE
> is
> enabled.
> 
> Make sure all members are fully initialized, to avoid such bugs, and
> to
> prevent future breakage when converting drivers to a different method
> for specifying the parents.
> 
> Signed-off-by: Geert Uytterhoeven <[email protected]>

Acked-by: Paul Cercueil <[email protected]>

Cheers,
-Paul

> ---
> Compile-tested only.
> ---
>  drivers/clk/ingenic/cgu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
> index 41e4c69131bd6ec7..ad223aa20e8db5a5 100644
> --- a/drivers/clk/ingenic/cgu.c
> +++ b/drivers/clk/ingenic/cgu.c
> @@ -644,8 +644,8 @@ static const struct clk_ops ingenic_clk_ops = {
>  static int ingenic_register_clock(struct ingenic_cgu *cgu, unsigned
> idx)
>  {
>  	const struct ingenic_cgu_clk_info *clk_info = &cgu-
> >clock_info[idx];
> -	struct clk_init_data clk_init;
>  	struct ingenic_clk *ingenic_clk = NULL;
> +	struct clk_init_data clk_init = {};
>  	struct clk *clk, *parent;
>  	const char *parent_names[4];
>  	unsigned caps, i, num_possible;
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.