On Fri, Feb 08, 2019 at 10:56:48AM +0100, Simon Horman wrote: > On Thu, Feb 07, 2019 at 06:44:56PM -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; > > struct boo entry[]; > > }; > > > > size = sizeof(struct foo) + count * sizeof(struct boo); > > instance = alloc(size, GFP_KERNEL) > > > > Instead of leaving these open-coded and prone to type mistakes, we can > > now use the new struct_size() helper: > > > > size = struct_size(instance, entry, count); > > > > This code was detected with the help of Coccinelle. > > > > Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> > > Acked-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> > > Pablo, could you consider applying this? Applied, thanks!