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net: sched: gred: remove NULL check before free table->tab in gred_destroy() 

The kfree invoked by gred_destroy_vq checks whether the input parameter
is empty. Therefore, gred_destroy() doesn't need to check table->tab.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20220831041452.33026-1-shaozhengchao@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Zhengchao Shao 2022-08-31 12:14:52 +08:00 committed by Paolo Abeni
parent 2af39b9964
commit 4bf8594a80
1 changed files with 3 additions and 4 deletions
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7
net/sched/sch_gred.c
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@ -908,10 +908,9 @@ static void gred_destroy(struct Qdisc *sch)
struct gred_sched *table = qdisc_priv(sch);
int i;
for (i = 0; i < table->DPs; i++) {
if (table->tab[i])
gred_destroy_vq(table->tab[i]);
}
for (i = 0; i < table->DPs; i++)
gred_destroy_vq(table->tab[i]);
gred_offload(sch, TC_GRED_DESTROY);
kfree(table->opt);
}