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| author | Wang Nan <wangnan0@huawei.com> | 2015-09-06 07:13:17 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-09-21 21:01:17 (GMT) |
| commit | 854f736364c659046f066a98fed2fdb10a39577a (patch) | |
| tree | da2002faff38a45df4b5d21ba3df4803ba9dbbc2 /mm | |
| parent | 0fb18553478dee5b3d8dc0af4f99a5288e81142f (diff) | |
| download | linux-854f736364c659046f066a98fed2fdb10a39577a.tar.xz | |
perf tools: Don't assume that the parser returns non empty evsel list
Don't blindly retrieve and use a last element in the lists returned by
parse_events__scanner(), as it may have collected no entries, i.e.
return an empty list.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kaixu Xia <xiakaixu@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1441523623-152703-2-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions