Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 047/122] net: sched: fix error return code in tcf_del_walker() | Date | Thu, 15 Jul 2021 20:38:14 +0200 |
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From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit 55d96f72e8ddc0a294e0b9c94016edbb699537e1 ]
When nla_put_u32() fails, 'ret' could be 0, it should return error code in tcf_del_walker().
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/sched/act_api.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 716cad677318..17e5cd9ebd89 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -316,7 +316,8 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, } mutex_unlock(&idrinfo->lock); - if (nla_put_u32(skb, TCA_FCNT, n_i)) + ret = nla_put_u32(skb, TCA_FCNT, n_i); + if (ret) goto nla_put_failure; nla_nest_end(skb, nest); -- 2.30.2
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