linux-kernel - [tip:perf/core] perf script: Fix error handling path

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Date:   Tue, 24 Oct 2017 03:16:14 -0700
From:   tip-bot for Christophe JAILLET <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, mingo@...nel.org, peterz@...radead.org,
        acme@...hat.com, alexander.shishkin@...ux.intel.com,
        christophe.jaillet@...adoo.fr, tglx@...utronix.de,
        linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf script: Fix error handling path

Commit-ID:  db49bc155ad9f04ea3c4e1c9ae87850610feb1ce
Gitweb:     https://git.kernel.org/tip/db49bc155ad9f04ea3c4e1c9ae87850610feb1ce
Author:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
AuthorDate: Sat, 16 Sep 2017 08:25:37 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 23 Oct 2017 16:30:53 -0300

perf script: Fix error handling path

If the string passed in '--time' is invalid, or if failed to set
libtraceevent function resolver, we must do some cleanup before leaving.
As in the other error handling paths of this function.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: kernel-janitors@...r.kernel.org
Link: http://lkml.kernel.org/r/20170916062537.28921-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-script.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 3e83f47..a3add2c 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3074,7 +3074,8 @@ int cmd_script(int argc, const char **argv)
 					 machine__resolve_kernel_addr,
 					 &session->machines.host) < 0) {
 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
-		return -1;
+		err = -1;
+		goto out_delete;
 	}
 
 	if (generate_script_lang) {
@@ -3134,7 +3135,8 @@ int cmd_script(int argc, const char **argv)
 	/* needs to be parsed after looking up reference time */
 	if (perf_time__parse_str(&script.ptime, script.time_str) != 0) {
 		pr_err("Invalid time string\n");
-		return -EINVAL;
+		err = -EINVAL;
+		goto out_delete;
 	}
 
 	err = __cmd_script(&script);