On Mon, Jul 24, 2023 at 02:02:02PM +0300, Andy Shevchenko wrote: > Introduce opaque_struct_size() helper, which may be moved > to overflow.h in the future, and use it in the IIO core. > > Potential users could be (among possible others): > > __spi_alloc_controller() in drivers/spi/spi.c > alloc_netdev_mqs in net/core/dev.c ... > +#define opaque_struct_size(p, a, s) size_add(ALIGN(sizeof(*(p)), (a)), (s)) This actually might need something like __safe_aling() which takes care about possible overflow. Whatever, I want to hear Kees on this. -- With Best Regards, Andy Shevchenko
