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net: sched: sch_taprio: fix memleak in error path for sched list parse 

In error case, all entries should be freed from the sched list
before deleting it. For simplicity use rcu way.

Fixes: 5a781ccbd1 ("tc: Add support for configuring the taprio scheduler")
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Ivan Khoronzhuk 2019-08-07 01:45:40 +03:00 committed by David S. Miller
parent fe90689fed
commit 51650d33b2
1 changed files with 2 additions and 1 deletions
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3
net/sched/sch_taprio.c
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@ -1195,7 +1195,8 @@ unlock:
spin_unlock_bh(qdisc_lock(sch));
free_sched:
kfree(new_admin);
if (new_admin)
call_rcu(&new_admin->rcu, taprio_free_sched_cb);
return err;
}