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

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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>
This commit is contained in:
Yang Yingliang 2013-12-10 20:55:33 +08:00 committed by David S. Miller
parent 833fa74386
commit fa08943b97
1 changed files with 6 additions and 4 deletions
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10
net/sched/sch_sfq.c
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@ -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)