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| author | Jiri Olsa <jolsa@kernel.org> | 2020-07-19 20:13:02 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-07-30 12:01:49 +0200 |
| commit | 60e10c0037d0159f886c8592b761ee31ab3b7e21 (patch) | |
| tree | 9015b9607cf8f4e6f002456bff042faf371f2fa2 /tools/perf | |
| parent | perf test: Ensure sample_period is set libpfm4 events (diff) | |
| download | linux-60e10c0037d0159f886c8592b761ee31ab3b7e21.tar.xz linux-60e10c0037d0159f886c8592b761ee31ab3b7e21.zip | |
perf metric: Fix memory leak in expr__add_id function
Arnaldo found that we don't release value data in case the hashmap__set
fails. Releasing it in case of an error.
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200719181320.785305-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/expr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index 5d05f9765ed8..578a173d4873 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -47,6 +47,8 @@ int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val) } ret = hashmap__set(&ctx->ids, id, data_ptr, (const void **)&old_key, (void **)&old_data); + if (ret) + free(data_ptr); free(old_key); free(old_data); return ret; |