net: Fix GRO_HASH_BUCKETS assertion.

FIELD_SIZEOF() is in bytes, but we want bits.

Fixes: d9f37d01e294 ("net: convert gro_count to bitmask")
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index c883b17ee0fe2c8a7ca2f2867560ba74004790a7..4f8b92d81d107fc9acd2499297435cbd9e9b5c67 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9282,7 +9282,7 @@ static struct hlist_head * __net_init netdev_create_hash(void)
 static int __net_init netdev_init(struct net *net)
 {
        BUILD_BUG_ON(GRO_HASH_BUCKETS >
-                       FIELD_SIZEOF(struct napi_struct, gro_bitmask));
+                    8 * FIELD_SIZEOF(struct napi_struct, gro_bitmask));
 
        if (net != &init_net)
                INIT_LIST_HEAD(&net->dev_base_head);