perf trace/scripting: Check return val of perl_run()

The return value from perl_run() is currently ignored, but it
should be checked and used to exit perf if there are problems
loading the script.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
LKML-Reference: <1260867220-15699-4-git-send-email-tzanussi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/util/trace-event-perl.c b/tools/perf/util/trace-event-perl.c
index 6f10e7602452..6d6d76b8a21e 100644
--- a/tools/perf/util/trace-event-perl.c
+++ b/tools/perf/util/trace-event-perl.c
@@ -379,7 +379,11 @@ static int perl_start_script(const char *script, int argc, const char **argv)
                 goto error;
         }
 
-        perl_run(my_perl);
+        if (perl_run(my_perl)) {
+                err = -1;
+                goto error;
+        }
+
         if (SvTRUE(ERRSV)) {
                 err = -1;
                 goto error;