linux-kernel - [PATCH] ktest: Restore stty setting at first in dodie

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Date:   Fri, 20 Jan 2023 18:16:16 +0900
From:   "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     John 'Warthog9' Hawley <warthog9@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH] ktest: Restore stty setting at first in dodie

From: Masami Hiramatsu (Google) <mhiramat@...nel.org>

The do_send_email() will call die before restoring stty if sendmail
setting is not correct or sendmail is not installed. It is safer to
restore it in the beginning of dodie().

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
---
 tools/testing/ktest/ktest.pl |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index ac59999ed3de..9fb3d79b084c 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1535,6 +1535,11 @@ sub dodie {
     return if ($in_die);
     $in_die = 1;
 
+    if ($monitor_cnt) {
+	# restore terminal settings
+	system("stty $stty_orig");
+    }
+
     my $i = $iteration;
 
     doprint "CRITICAL FAILURE... [TEST $i] ", @_, "\n";
@@ -1581,11 +1586,6 @@ sub dodie {
 		"Your test started at $script_start_time has failed with:\n@_\n", $log_file);
     }
 
-    if ($monitor_cnt) {
-	# restore terminal settings
-	system("stty $stty_orig");
-    }
-
     if (defined($post_test)) {
 	run_command $post_test;
     }