On Tue, Feb 14, 2017 at 3:36 PM, Jan Blunck <jblu...@infradead.org> wrote:
> This fixes the usage of structure members that are declared const to get
> a pointer to the embedding parent structure.
Ping. Is anyone willing to review this?
Thanks,
Jan
>
> Signed-off-by: Jan Blunck <jblu...@infradead.org>
> ---
> lib/librte_eal/common/include/rte_common.h | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_eal/common/include/rte_common.h
> b/lib/librte_eal/common/include/rte_common.h
> index 8dda3e2..c421708 100644
> --- a/lib/librte_eal/common/include/rte_common.h
> +++ b/lib/librte_eal/common/include/rte_common.h
> @@ -347,8 +347,9 @@ rte_bsf32(uint32_t v)
> */
> #ifndef container_of
> #define container_of(ptr, type, member) __extension__ ({
> \
> - typeof(((type *)0)->member) *_ptr = (ptr); \
> - (type *)(((char *)_ptr) - offsetof(type, member)); })
> + const typeof(((type *)0)->member) *_ptr = (ptr); \
> + (type *)(((uintptr_t)_ptr) - offsetof(type, member));
> \
> + })
> #endif
>
> #define _RTE_STR(x) #x
> --
> 2.7.4
>
