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| author | Alexei Starovoitov <ast@fb.com> | 2016-04-27 18:56:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-28 17:29:45 -0400 |
| commit | 6aff67c85c9e5a4bc99e5211c1bac547936626ca (patch) | |
| tree | 3be9fa8e180334d6f8e0c5edb5e47f8113f4b2f4 /kernel/module.c | |
| parent | 92117d8443bc5afacc8d5ba82e541946310f106e (diff) | |
| download | linux-next-6aff67c85c9e5a4bc99e5211c1bac547936626ca.tar.gz | |
bpf: fix check_map_func_compatibility logic
The commit 35578d798400 ("bpf: Implement function bpf_perf_event_read() that get the selected hardware PMU conuter")
introduced clever way to check bpf_helper<->map_type compatibility.
Later on commit a43eec304259 ("bpf: introduce bpf_perf_event_output() helper") adjusted
the logic and inadvertently broke it.
Get rid of the clever bool compare and go back to two-way check
from map and from helper perspective.
Fixes: a43eec304259 ("bpf: introduce bpf_perf_event_output() helper")
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/module.c')
0 files changed, 0 insertions, 0 deletions