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@wanadoo.fr>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-janitors@vger.kernel.org
Link: http://lkml.kernel.org/r/20170916062537.28921-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 3e83f4735b21..a3add2cd7856 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);