1 files changed, 1 insertions, 2 deletions

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index f996db343247..d8c13a965459 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1989,10 +1989,9 @@ static struct pernet_operations ovs_net_ops = {
 
 static int __init dp_init(void)
 {
-        struct sk_buff *dummy_skb;
         int err;
 
-        BUILD_BUG_ON(sizeof(struct ovs_skb_cb) > sizeof(dummy_skb->cb));
+        BUILD_BUG_ON(sizeof(struct ovs_skb_cb) > FIELD_SIZEOF(struct sk_buff, cb));
 
         pr_info("Open vSwitch switching datapath\n");