From: Tom Parkin <tparkin@katalix.com>
Date: Wed, 22 Jul 2020 16:32:14 +0000 (+0100)
Subject: l2tp: avoid precidence issues in L2TP_SKB_CB macro
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=efcd8c8540f73829a26f5d224ebdd99382fd1552;p=linux.git

l2tp: avoid precidence issues in L2TP_SKB_CB macro

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

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 3dc712647f342..6871611d99f24 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;