diff options
| author |   Zhengchao Shao <shaozhengchao@huawei.com> | 2022-09-02 16:34:29 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-09-03 10:40:40 +0100 |
| commit | 494f5063b86cd6e972cb41a27e083c9a3664319d (patch) | |
| tree | c0d4289185c133af946e7d098818078225230245 | |
| parent | net: fec: add stop mode support for imx8 platform (diff) | |
| download | wireguard-linux-494f5063b86cd6e972cb41a27e083c9a3664319d.tar.xz wireguard-linux-494f5063b86cd6e972cb41a27e083c9a3664319d.zip | |
net: sched: fq_codel: remove redundant resource cleanup in fq_codel_init()
If fq_codel_init() fails, qdisc_create() invokes fq_codel_destroy() to
clear resources. Therefore, remove redundant resource cleanup in
fq_codel_init().
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sched/sch_fq_codel.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index f16f471daa81..eeea8c6d54e2 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -478,26 +478,24 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt, if (opt) { err = fq_codel_change(sch, opt, extack); if (err) - goto init_failure; + return err; } err = tcf_block_get(&q->block, &q->filter_list, sch, extack); if (err) - goto init_failure; + return err; if (!q->flows) { q->flows = kvcalloc(q->flows_cnt, sizeof(struct fq_codel_flow), GFP_KERNEL); - if (!q->flows) { - err = -ENOMEM; - goto init_failure; - } + if (!q->flows) + return -ENOMEM; + q->backlogs = kvcalloc(q->flows_cnt, sizeof(u32), GFP_KERNEL); - if (!q->backlogs) { - err = -ENOMEM; - goto alloc_failure; - } + if (!q->backlogs) + return -ENOMEM; + for (i = 0; i < q->flows_cnt; i++) { struct fq_codel_flow *flow = q->flows + i; @@ -510,13 +508,6 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt, else sch->flags &= ~TCQ_F_CAN_BYPASS; return 0; - -alloc_failure: - kvfree(q->flows); - q->flows = NULL; -init_failure: - q->flows_cnt = 0; - return err; } static int fq_codel_dump(struct Qdisc *sch, struct sk_buff *skb) |