From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 10 Dec 2013 12:55:33 +0000 (+0800)
Subject: net_sched: sfq: put sfq_unlink in a do - while loop
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=fa08943b975c08697e57aff26784970dd0dd926a;p=deliverable%2Flinux.git

net_sched: sfq: put sfq_unlink in a do - while loop

Macros with multiple statements should be enclosed in a do - while loop

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index d3a1bc26dbfc..76f01e0258df 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -237,10 +237,12 @@ static inline void sfq_link(struct sfq_sched_data *q, sfq_index x)
 }
 
 #define sfq_unlink(q, x, n, p)			\
-	n = q->slots[x].dep.next;		\
-	p = q->slots[x].dep.prev;		\
-	sfq_dep_head(q, p)->next = n;		\
-	sfq_dep_head(q, n)->prev = p
+	do {					\
+		n = q->slots[x].dep.next;	\
+		p = q->slots[x].dep.prev;	\
+		sfq_dep_head(q, p)->next = n;	\
+		sfq_dep_head(q, n)->prev = p;	\
+	} while (0)
 
 
 static inline void sfq_dec(struct sfq_sched_data *q, sfq_index x)