Re: [PATCH] iio: iio-mux: use flexible array member

[Andy Shevchenko]

On Sun, Mar 15, 2026 at 03:45:09PM -0700, Rosen Penev wrote:
> Allows using struct_size to simplify allocation slightly.
> 
> Removes a pointer from the struct.

...

> -	sizeof_priv = sizeof(*mux);
> -	sizeof_priv += sizeof(*mux->child) * children;
> +	sizeof_priv = struct_size(mux, child, children);
>  	sizeof_priv += sizeof(*mux->chan) * children;

There are two arrays that are allocated at the end of the same object.
Why is mux better than the chan?


I rather would see two times array_size() than the above.

>  	sizeof_priv += sizeof_ext_info;

-- 
With Best Regards,
Andy Shevchenko