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bpf: use the same condition in perf event set/free bpf handler 

This is a cleanup such that doing the same check in
perf_event_free_bpf_prog as we already do in
perf_event_set_bpf_prog step.

Signed-off-by: Yonghong Song <yhs@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Yonghong Song 2017-10-23 23:53:07 -07:00 committed by David S. Miller
parent 908d140a87
commit 0b4c6841fe
1 changed files with 3 additions and 3 deletions
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6
kernel/events/core.c
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@ -8191,10 +8191,10 @@ static void perf_event_free_bpf_prog(struct perf_event *event)
{
struct bpf_prog *prog;
perf_event_free_bpf_handler(event);
if (!event->tp_event)
if (event->attr.type != PERF_TYPE_TRACEPOINT) {
perf_event_free_bpf_handler(event);
return;
}
prog = event->tp_event->prog;
if (prog && event->tp_event->bpf_prog_owner == event) {