From: Changbin Du <changbin.du@gmail.com>
Date: Sat, 16 Mar 2019 08:05:48 +0000 (+0800)
Subject: perf top: Fix error handling in cmd_top()
X-Git-Tag: v4.19.36~79
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bb644ded9e6d44283a3df3e2902c2b211c67b728;p=thirdparty%2Fkernel%2Fstable.git

perf top: Fix error handling in cmd_top()

[ 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>
---

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index d21d8751e7491..33eefc33e0ea9 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1491,8 +1491,9 @@ int cmd_top(int argc, const char **argv)
 	annotation_config__init();
 
 	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);