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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Changbin Du <changbin.du@gmail.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.4 12/21] perf top: Fix error handling in cmd_top()
Date: Fri, 29 Mar 2019 20:56:40 -0400	[thread overview]
Message-ID: <20190330005649.28475-12-sashal@kernel.org> (raw)
In-Reply-To: <20190330005649.28475-1-sashal@kernel.org>

From: Changbin Du <changbin.du@gmail.com>

[ Upstream commit 70c819e4bf1c5f492768b399d898d458ccdad2b6 ]

We should go to the cleanup path, to avoid leaks, detected using gcc's
ASan.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20190316080556.3075-9-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/builtin-top.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 47719bde34c6..4e64ba8163bb 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1320,8 +1320,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 	symbol_conf.priv_size = sizeof(struct annotation);
 
 	symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
-	if (symbol__init(NULL) < 0)
-		return -1;
+	status = symbol__init(NULL);
+	if (status < 0)
+		goto out_delete_evlist;
 
 	sort__setup_elide(stdout);
 
-- 
2.19.1


  parent reply	other threads:[~2019-03-30  0:59 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-30  0:56 [PATCH AUTOSEL 4.4 01/21] perf/core: Restore mmap record type correctly Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 02/21] ext4: add missing brelse() in add_new_gdb_meta_bg() Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 03/21] ext4: report real fs size after failed resize Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 04/21] ALSA: echoaudio: add a check for ioremap_nocache Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 05/21] ALSA: sb8: add a check for request_region Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 06/21] IB/mlx4: Fix race condition between catas error reset and aliasguid flows Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 07/21] mmc: davinci: remove extraneous __init annotation Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 08/21] ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and declaration Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 09/21] thermal/int340x_thermal: Add additional UUIDs Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 10/21] thermal/int340x_thermal: fix mode setting Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 11/21] tools/power turbostat: return the exit status of a command Sasha Levin
2019-03-30  0:56 ` Sasha Levin [this message]
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 13/21] perf evsel: Free evsel->counts in perf_evsel__exit() Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 14/21] perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 15/21] perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test() Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 16/21] x86/hpet: Prevent potential NULL pointer dereference Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 17/21] x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 18/21] iommu/vt-d: Check capability before disabling protected memory Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 19/21] x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 20/21] fix incorrect error code mapping for OBJECTID_NOT_FOUND Sasha Levin
2019-03-30  0:56 ` [PATCH AUTOSEL 4.4 21/21] ext4: prohibit fstrim in norecovery mode Sasha Levin

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