From: Boris Brezillon <boris.brezil...@bootlin.com>
On Tue, 2019-01-08 at 21:09:46 UTC, "Gustavo A. R. Silva" wrote:
> 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 foo {
> int stuff;
> void *entry[];
> };
>
> instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
>
> Instead of leaving these open-coded and prone to type mistakes, we can now
> use the new struct_size() helper:
>
> instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
>
> This code was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
Applied to http://git.infradead.org/linux-mtd.git mtd/next, thanks.
Boris
