On Tue, Jan 08, 2019 at 10:08:05AM -0600, 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 <[email protected]>
> Reviewed-by: Bart Van Assche <[email protected]>
> ---
> drivers/infiniband/ulp/srp/ib_srp.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Applied to for-next
Thanks,
Jason