From 494f5063b86cd6e972cb41a27e083c9a3664319d Mon Sep 17 00:00:00 2001 From: Zhengchao Shao Date: Fri, 2 Sep 2022 16:34:29 +0800 Subject: 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 Signed-off-by: David S. Miller --- net/sched/sch_fq_codel.c | 25 ++++++++----------------- 1 file 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) -- cgit v1.2.3-59-g8ed1b