cephfs-top: navigate to home screen while selecting sort field, if no filesystems.

Fixes: https://tracker.ceph.com/issues/58813
Signed-off-by: Neeraj Pratap Singh <neesingh@redhat.com>
(cherry picked from commit db48c819bb28bd900df031a39ad687e7dc8ce6a5)

diff --git a/src/tools/cephfs/top/cephfs-top b/src/tools/cephfs/top/cephfs-top
index 60e4e66bc9ad39eba74c88c5b8c191761c70dc73..20b71d06c7be204a90ab9362fe87c34f5bb08aec 100755 (executable)
--- a/src/tools/cephfs/top/cephfs-top
+++ b/src/tools/cephfs/top/cephfs-top
@@ -464,10 +464,10 @@ class FSTop(FSTopBase):
                 endwhile = True
             elif key == ord('q'):
                 self.stdscr.erase()
-                if self.active_screen == FS_TOP_ALL_FS_APP:
-                    self.run_all_display()
-                else:
+                if fs_list and self.active_screen == FS_TOP_FS_SELECTED_APP:
                     self.run_display()
+                else:
+                    self.run_all_display()
                 endwhile = True
 
             try: