On Sun, 30 Sep 2018 13:02:52 +0800 Li RongQing <lirongq...@baidu.com> wrote:
> we can save container_of computation and return dst directly, > since dst is always first member of struct rt6_info > > Add a BUILD_BUG_ON() to catch any change that could break this > assertion. > > Signed-off-by: Li RongQing <lirongq...@baidu.com> I don't understand why you are doing this? It is not going to be faster (or safer) than container_of. container_of provides the same functionality and is safe against position of the member in the structure.
