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| author |   Davide Caratti <dcaratti@redhat.com> | 2018-02-15 15:50:57 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-02-16 15:43:17 -0500 |
| commit | 66dede2d6b2340235ca212532275446d7bb010fe (patch) | |
| tree | 63f71ac24b38a93233eec17193fd7f0e63419e20 | |
| parent | Merge branch 'dsa-mv88e6xxx-Improve-PTP-access-latency' (diff) | |
| download | linux-dev-66dede2d6b2340235ca212532275446d7bb010fe.tar.xz linux-dev-66dede2d6b2340235ca212532275446d7bb010fe.zip | |
net: sched: fix unbalance in the error path of tca_action_flush()
When tca_action_flush() calls the action walk() and gets an error,
a successful call to nla_nest_start() is not followed by a call to
nla_nest_cancel(). It's harmless, as the skb is freed in the error
path - but it's worth to fix this unbalance.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/sched/act_api.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 4886ea4a7d6e..624995564e5a 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -938,8 +938,10 @@ static int tca_action_flush(struct net *net, struct nlattr *nla, goto out_module_put; err = ops->walk(net, skb, &dcb, RTM_DELACTION, ops); - if (err <= 0) + if (err <= 0) { + nla_nest_cancel(skb, nest); goto out_module_put; + } nla_nest_end(skb, nest); |