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>
---
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 1b99f8e..7aba5b4 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -430,13 +430,9 @@ 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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