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Arnaldo Carvalho de Melo c376212c32 perf probe: Avoid calling freeing routine multiple times for same pointer

[ Upstream commit d95daf5accf4a72005daa13fbb1d1bd8709f2861 ]

When perf_add_probe_events() we call cleanup_perf_probe_events() for the
pev pointer it receives, then, as part of handling this failure the main
'perf probe' goes on and calls cleanup_params() and that will again call
cleanup_perf_probe_events()for the same pointer, so just set nevents to
zero when handling the failure of perf_add_probe_events() to avoid the
double free.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-x8qgma4g813z96dvtw9w219q@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2019-08-25 10:52:49 +02:00

arch

perf bench: Copy kernel files needed to build mem{cpy,set} x86_64 benchmarks

2019-03-23 08:44:37 +01:00

build

Kbuild: fix # escaping in .cmd files for future Make

2018-07-19 15:35:57 +02:00

cgroup

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firewire

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Tools: hv: Fix a bug in the key delete code