Re: [PATCH 05/45] clk: cdce925: Make sure clk_init_data is fully initialized

Liviu Dudau <[email protected]>
Newsgroups org.kernel.vger.linux-tegra,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-samsung-soc,org.ozlabs.lists.linux-aspeed,org.ozlabs.lists.openbmc
Message-ID <aog1qljZkrxL3nYP@e142607>
On Fri, Aug 21, 2026 at 10:53:15AM +0200, Geert Uytterhoeven wrote:
> 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]>

Reviewed-by: Liviu Dudau <[email protected]>

Best regards,
Liviu

> ---
> Compile-tested only.
> ---
>  drivers/clk/clk-cdce925.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/clk-cdce925.c b/drivers/clk/clk-cdce925.c
> index 30d0493c771818ff..4d49cc1659c07be2 100644
> --- a/drivers/clk/clk-cdce925.c
> +++ b/drivers/clk/clk-cdce925.c
> @@ -620,7 +620,7 @@ static int cdce925_probe(struct i2c_client *client)
>  	struct device_node *node = client->dev.of_node;
>  	const char *parent_name;
>  	const char *pll_clk_name[MAX_NUMBER_OF_PLLS] = {NULL,};
> -	struct clk_init_data init;
> +	struct clk_init_data init = {};
>  	u32 value;
>  	int i;
>  	int err;
> -- 
> 2.43.0
> 

-- 
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