On Wed, Oct 16, 2019 at 5:54 AM <xiangxia.m....@gmail.com> wrote:
>
> From: Tonghao Zhang <xiangxia.m....@gmail.com>
>
> Simplify the code and remove the unnecessary BUILD_BUG_ON.
>
> Signed-off-by: Tonghao Zhang <xiangxia.m....@gmail.com>
> Tested-by: Greg Rose <gvrose8...@gmail.com>
> ---
LGTM
Acked-by: William Tu <u9012...@gmail.com>
> net/openvswitch/flow_table.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
> index a10d421..3e3d345 100644
> --- a/net/openvswitch/flow_table.c
> +++ b/net/openvswitch/flow_table.c
> @@ -432,13 +432,9 @@ int ovs_flow_tbl_flush(struct flow_table *flow_table)
> static u32 flow_hash(const struct sw_flow_key *key,
> const struct sw_flow_key_range *range)
> {
> - int key_start = range->start;
> - int key_end = range->end;
> - const u32 *hash_key = (const u32 *)((const u8 *)key + key_start);
> - int hash_u32s = (key_end - key_start) >> 2;
> -
> + const u32 *hash_key = (const u32 *)((const u8 *)key + range->start);
> /* Make sure number of hash bytes are multiple of u32. */
> - BUILD_BUG_ON(sizeof(long) % sizeof(u32));
> + int hash_u32s = range_n_bytes(range) >> 2;
>
> return jhash2(hash_key, hash_u32s, 0);
> }
> --
> 1.8.3.1
>
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