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authorZhengchao Shao2022-08-31 12:14:52 +0800
committerPaolo Abeni2022-09-01 13:32:26 +0200
commit4bf8594a8036f42ca7ece1bbdaf45b7954fb09e6 (patch)
treeac78fb7e825c54e0b6b72e73dd04318dc23fb81b
parent2af39b9964851edeaa3ba5ea7d287ed894d5eaed (diff)
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>
-rw-r--r--net/sched/sch_gred.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 44af3b18eed9..a661b062cca8 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -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);
}