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tc: act_bpf: fix memory leak

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prog->bpf_ops is populated when act_bpf is used with classic BPF and
prog->bpf_name is optionally used with extended BPF.
Fix memory leak when act_bpf is released.

Fixes: d23b8ad8ab ("tc: add BPF based action")
Fixes: a8cb5f556b ("act_bpf: add initial eBPF support for actions")
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2015-07-14 12:15:19 -07:00 committed by David S. Miller
parent c0afd9ce4d
commit ddf06c1e56
1 changed files with 3 additions and 0 deletions
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3
net/sched/act_bpf.c
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@ -339,6 +339,9 @@ static void tcf_bpf_cleanup(struct tc_action *act, int bind)
bpf_prog_put(prog->filter); bpf_prog_put(prog->filter);
else else
bpf_prog_destroy(prog->filter); bpf_prog_destroy(prog->filter);
kfree(prog->bpf_ops);
kfree(prog->bpf_name);
} }
static struct tc_action_ops act_bpf_ops __read_mostly = { static struct tc_action_ops act_bpf_ops __read_mostly = {