[PATCH 17/29] l2tp: avoid precidence issues in L2TP_SKB_CB macro

[Tom Parkin]

checkpatch warned about the L2TP_SKB_CB macro's use of its argument: add
braces to avoid the problem.

Signed-off-by: Tom Parkin <tpar...@katalix.com>
---
 net/l2tp/l2tp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 177accb01993..4973a0f035e3 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -93,7 +93,7 @@ struct l2tp_skb_cb {
        unsigned long           expires;
 };
 
-#define L2TP_SKB_CB(skb)       ((struct l2tp_skb_cb *)&skb->cb[sizeof(struct 
inet_skb_parm)])
+#define L2TP_SKB_CB(skb)       ((struct l2tp_skb_cb *)&(skb)->cb[sizeof(struct 
inet_skb_parm)])
 
 static struct workqueue_struct *l2tp_wq;
 
-- 
2.17.1