Re: [ovs-dev] [PATCH v2 1/2] net: openvswitch: Use struct_size()

From: Simon Horman
Date: Tue Oct 17 2023 - 05:10:15 EST


On Sat, Oct 14, 2023 at 08:34:52AM +0200, Christophe JAILLET wrote:
> Use struct_size() instead of hand writing it.
> This is less verbose and more robust.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> v2: No change
>
> v1: https://lore.kernel.org/all/8be59c9e06fca8eff2f264abb4c2f74db0b19a9e.1696156198.git.christophe.jaillet@xxxxxxxxxx/
>
>
> This is IMHO more readable, even if not perfect.
>
> However (untested):
> + new = kzalloc(size_add(struct_size(new, masks, size),
> size_mul(sizeof(u64), size)), GFP_KERNEL);
> looks completely unreadable to me.

Thanks, this looks correct (and more readable) to me.

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>