| commit | 8b58d12f4ae1a10037b824b1fb409cf424d6aaac | [log] [tgz] |
|---|---|---|
| author | Vlad Buslov <vladbu@mellanox.com> | Fri Feb 15 17:18:44 2019 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Sun Feb 17 13:26:57 2019 -0800 |
| tree | bdb529b1eae848320e967f01eb082ec5cd4430f0 | |
| parent | d66022cd1623edfd7b43e13c9e973403a811af02 [diff] |
net: sched: cgroup: verify that filter is not NULL during walk
Check that filter is not NULL before passing it to tcf_walker->fn()
callback in cls_cgroup_walk(). This can happen when cls_cgroup_change()
failed to set first filter.
Fixes: ed76f5edccc9 ("net: sched: protect filter_chain list with filter_chain_lock mutex")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>