From: Arnaldo Carvalho de Melo <a...@redhat.com> When traversing /proc to synthesize the PERF_RECORD_FORK et al events we were bailing out on errors without calling closedir(), fix it.
Reported-by: David Ahern <dsah...@gmail.com> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Borislav Petkov <b...@suse.de> Cc: Don Zickus <dzic...@redhat.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Mike Galbraith <efa...@gmx.de> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-vxtp593rfztgbi8noy0m9...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/event.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 9d0985131252..ff866c4d2e2f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -387,6 +387,7 @@ static int __event__synthesize_thread(union perf_event *comm_event, DIR *tasks; struct dirent dirent, *next; pid_t tgid, ppid; + int rc = 0; /* special case: only send one comm event using passed in pid */ if (!full) { @@ -414,38 +415,38 @@ static int __event__synthesize_thread(union perf_event *comm_event, while (!readdir_r(tasks, &dirent, &next) && next) { char *end; - int rc = 0; pid_t _pid; _pid = strtol(dirent.d_name, &end, 10); if (*end) continue; + rc = -1; if (perf_event__prepare_comm(comm_event, _pid, machine, &tgid, &ppid) != 0) - return -1; + break; if (perf_event__synthesize_fork(tool, fork_event, _pid, tgid, ppid, process, machine) < 0) - return -1; + break; /* * Send the prepared comm event */ if (process(tool, comm_event, &synth_sample, machine) != 0) - return -1; + break; + rc = 0; if (_pid == pid) { /* process the parent's maps too */ rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, process, machine, mmap_data); + if (rc) + break; } - - if (rc) - return rc; } closedir(tasks); - return 0; + return rc; } int perf_event__synthesize_thread_map(struct perf_tool *tool, -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
