Re: [PATCH] mtd: rawnand: atmel: use struct_size() in devm_kzalloc()

[Boris Brezillon]

Hi Gustavo,

On Thu, 23 Aug 2018 20:09:38 -0500
"Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> 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 = devm_kzalloc(dev, 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 = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL);
> 
> This issue was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Can we have all NAND controller drivers patched in a single patch
instead of having one patch per-driver?

Thanks,

Boris