6.6-stable review patch. If anyone has any objections, please let me know.
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From: Yang Jihong yangjihong1@huawei.com
[ Upstream commit d39710088d82ef100b33cdf4a9de3546fb0bb5df ]
1. Atoms are managed in page mode and should be released using atom_free() instead of free(). 2. When the event does not match, the atom needs to free.
Fixes: f98919ec4fccdacf ("perf kwork: Implement 'report' subcommand") Reviewed-by: Ian Rogers irogers@google.com Signed-off-by: Yang Jihong yangjihong1@huawei.com Cc: Adrian Hunter adrian.hunter@intel.com Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Ingo Molnar mingo@redhat.com Cc: Jiri Olsa jolsa@kernel.org Cc: Kan Liang kan.liang@linux.intel.com Cc: Mark Rutland mark.rutland@arm.com Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Ravi Bangoria ravi.bangoria@amd.com Cc: Sandipan Das sandipan.das@amd.com Cc: Yang Jihong yangjihong1@huawei.com Link: https://lore.kernel.org/r/20230812084917.169338-2-yangjihong1@huawei.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/builtin-kwork.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c index 14bf7a8429e76..73b5dc099a8ae 100644 --- a/tools/perf/builtin-kwork.c +++ b/tools/perf/builtin-kwork.c @@ -406,12 +406,14 @@ static int work_push_atom(struct perf_kwork *kwork,
work = work_findnew(&class->work_root, &key, &kwork->cmp_id); if (work == NULL) { - free(atom); + atom_free(atom); return -1; }
- if (!profile_event_match(kwork, work, sample)) + if (!profile_event_match(kwork, work, sample)) { + atom_free(atom); return 0; + }
if (dst_type < KWORK_TRACE_MAX) { dst_atom = list_last_entry_or_null(&work->atom_list[dst_type],