[tip:perf/urgent] perf inject: Fill in the missing session freeing after an error occurs

[tip-bot for Taeung Song <tipbot@zytor.com>]

Commit-ID:  9fedfb0c5b05ae6c315de722a0548bb1f1328bf5
Gitweb:     http://git.kernel.org/tip/9fedfb0c5b05ae6c315de722a0548bb1f1328bf5
Author:     Taeung Song <treeze.taeung@gmail.com>
AuthorDate: Tue, 30 Jun 2015 17:15:20 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 1 Jul 2015 17:53:49 -0300

perf inject: Fill in the missing session freeing after an error occurs

When an error occur an error value is just returned without freeing the
session. So allocating and freeing session have to be matched as a pair
even if an error occurs.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1435652124-22414-2-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-inject.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 52ec66b..01b0649 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -630,12 +630,13 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
 	if (inject.session == NULL)
 		return -1;
 
-	if (symbol__init(&inject.session->header.env) < 0)
-		return -1;
+	ret = symbol__init(&inject.session->header.env);
+	if (ret < 0)
+		goto out_delete;
 
 	ret = __cmd_inject(&inject);
 
+out_delete:
 	perf_session__delete(inject.session);
-
 	return ret;
 }