ktest: Take submenu into account for grub2 menus

grub-reboot selects the submenu's first menuentry (title is "1>0") rather than ktest's
menuentry (title is "2") by mistake.

===
$ sudo cat /boot/grub/grub.cfg  | grep -E "^menuentry|^submenu"
...
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option '...' {
...
submenu 'Advanced options for Ubuntu' $menuentry_id_option '...' {
...
menuentry 'ktest' {
...
===

Correct it by taking submenu entries into account in get_grub2_index().

Link: http://lkml.kernel.org/r/87poaje4as.wl-satoru.takeuchi@gmail.com

Signed-off-by: Satoru Takeuchi <satoru.takeuchi@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index a14fc309d140..777388cc8221 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1872,7 +1872,7 @@ sub get_grub2_index {
             $grub_number++;
             $found = 1;
             last;
-        } elsif (/^menuentry\s/) {
+        } elsif (/^menuentry\s|^submenu\s/) {
             $grub_number++;
         }
     }