[PATCH V2] wcn36xx: use struct_size over open coded arithmetic

[Kalle Valo]

cgel.zte at gmail.com wrote:

> From: "Minghao Chi (CGEL ZTE)" <chi.minghao at zte.com.cn>
> 
> Replace zero-length array with flexible-array member and make use
> of the struct_size() helper in kmalloc(). For example:
> 
> struct wcn36xx_hal_ind_msg {
>     struct list_head list;
>     size_t msg_len;
>     u8 msg[];
> };
> 
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes.
> 
> Reported-by: Zeal Robot <zealci at zte.com.cn>
> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao at zte.com.cn>

What are the changes from v1?

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220208015606.1514022-1-chi.minghao@zte.com.cn/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches