Path: csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod From: kan.liang@intel.com Newsgroups: linux.kernel Subject: [PATCH V8 4/7] perf,tools: fix dump_sample crash when evsel is NULL. Date: Thu, 03 Sep 2015 21:50:03 +0200 Message-ID: References: X-Original-To: acme@kernel.org, jolsa@kernel.org X-Extloop1: 1 X-Ironport-Av: E=Sophos;i="5.17,463,1437462000"; d="scan'208";a="797284899" X-Mailer: git-send-email 1.8.3.1 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 34 Organization: linux.* mail to news gateway X-Original-Cc: a.p.zijlstra@chello.nl, luto@kernel.org, mingo@redhat.com, eranian@google.com, ak@linux.intel.com, mark.rutland@arm.com, adrian.hunter@intel.com, namhyung@kernel.org, linux-kernel@vger.kernel.org, Kan Liang X-Original-Date: Thu, 3 Sep 2015 08:31:00 -0400 X-Original-Message-ID: <1441283463-51050-5-git-send-email-kan.liang@intel.com> X-Original-References: <1441283463-51050-1-git-send-email-kan.liang@intel.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1218545 From: Kan Liang Need to check evsel before using in dump_sample. Signed-off-by: Kan Liang --- tools/perf/util/session.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 61669be..23fed17 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1080,11 +1080,11 @@ static int machines__deliver_event(struct machines *machines, switch (event->header.type) { case PERF_RECORD_SAMPLE: - dump_sample(evsel, event, sample); if (evsel == NULL) { ++evlist->stats.nr_unknown_id; return 0; } + dump_sample(evsel, event, sample); if (machine == NULL) { ++evlist->stats.nr_unprocessable_samples; return 0; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/