ktest: Cleanup terminal on dodie() failure

If dodie() is called with the console open, restore the terminal's
original settings before dying.

Link: http://lkml.kernel.org/r/20150130025453.GB20952@treble.redhat.com

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index ca20ce2dc8b6..840803b3cd41 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1407,6 +1407,11 @@ sub dodie {
         print " See $opt{LOG_FILE} for more info.\n";
     }
 
+    if ($monitor_cnt) {
+            # restore terminal settings
+            system("stty $stty_orig");
+    }
+
     die @_, "\n";
 }
 
@@ -1449,7 +1454,7 @@ sub exec_console {
     close($pts);
 
     exec $console or
-        dodie "Can't open console $console";
+        die "Can't open console $console";
 }
 
 sub open_console {