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2013-06-04misc: cleanup header commentsDaniel Borkmann1-0/+8
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-07-31 10:43:56 +0000
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authorAlexei Starovoitov <ast@fb.com>2016-06-15 18:25:39 -0700
committerDavid S. Miller <davem@davemloft.net>2016-06-15 23:37:54 -0700
commitad572d174787daa59e24b8b5c83028c09cdb5ddb (patch)
tree742f85968aea27bc975164e839dbc00312d3184a
parent19de99f70b87fcc3338da52a89c439b088cbff71 (diff)
bpf, trace: check event type in bpf_perf_event_read
similar to bpf_perf_event_output() the bpf_perf_event_read() helper needs to check the type of the perf_event before reading the counter. Fixes: a43eec304259 ("bpf: introduce bpf_perf_event_output() helper") Reported-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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