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| author | Arnaldo Carvalho de Melo <[email protected]> | 2018-03-26 11:42:15 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2018-03-27 13:13:38 -0300 |
| commit | 895e3b06fc2ce438adc62cb13d31ea001dcfda16 (patch) | |
| tree | 15651e1f12cc6aff270f86f2da3a23c8ae4bc673 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | f58385f629c87a9e210108b39c1f4950d0363ad2 (diff) | |
perf mmap: Be consistent when checking for an unmaped ring buffer
The previous patch is insufficient to cure the reported 'perf trace'
segfault, as it only cures the perf_mmap__read_done() case, moving the
segfault to perf_mmap__read_init() functio, fix it by doing the same
refcount check.
Cc: Adrian Hunter <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Fixes: 8872481bd048 ("perf mmap: Introduce perf_mmap__read_init()")
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions