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| author |   Martin Kepplinger <martink@posteo.de> | 2017-09-13 21:14:19 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-09-18 09:40:21 -0300 |
| commit | c896f85a7c15ab9d040ffac8b8003e47996602a2 (patch) | |
| tree | f65e995175ee475efdb93622228ba5425a8ec8c1 /tools/perf/builtin-timechart.c | |
| parent | perf pmu: Improve error messages for missing PMUs (diff) | |
| download | wireguard-linux-c896f85a7c15ab9d040ffac8b8003e47996602a2.tar.xz wireguard-linux-c896f85a7c15ab9d040ffac8b8003e47996602a2.zip | |
perf tools: Fix leaking rec_argv in error cases
Let's free the allocated rec_argv in case we return early, in order to
avoid leaking memory.
This adds free() at a few very similar places across the tree where it
was missing.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Martin kepplinger <martink@posteo.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170913191419.29806-1-martink@posteo.de
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
| -rw-r--r-- | tools/perf/builtin-timechart.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 4e2e61695986..01de01ca14f2 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -1732,8 +1732,10 @@ static int timechart__io_record(int argc, const char **argv) if (rec_argv == NULL) return -ENOMEM; - if (asprintf(&filter, "common_pid != %d", getpid()) < 0) + if (asprintf(&filter, "common_pid != %d", getpid()) < 0) { + free(rec_argv); return -ENOMEM; + } p = rec_argv; for (i = 0; i < common_args_nr; i++) |