Re: [PATCH v2] kernel: module: Use struct_size() helper

[Jessica Yu]

+++ Gustavo A. R. Silva [06/06/19 13:18 -0500]:
> One of the more common cases of allocation size calculations is finding
> the size of a structure that has a zero-sized array at the end, along
> with memory for some number of elements for that array. For example:
>
> struct module_sect_attrs {
> 	...
>        struct module_sect_attr attrs[0];
> };
>
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes.
>
> So, replace the following form:
>
> sizeof(*sect_attrs) + nloaded * sizeof(sect_attrs->attrs[0]
>
> with:
>
> struct_size(sect_attrs, attrs, nloaded)
>
> This code was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
> Changes in v2:
> - Update changelog text by adding a better description for
>   the motivation and usage of the struct_size() helper.

Applied. Thanks a lot!

Jessica