1 files changed, 10 insertions, 4 deletions

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index db4655168ab1..fd073e4af8da 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -2755,6 +2755,14 @@ class MainWindow(QMainWindow):
                 help_menu = menu.addMenu("&Help")
                 help_menu.addAction(CreateAction("&Exported SQL Viewer Help", "Helpful information", self.Help, self, QKeySequence.HelpContents))
 
+        def Try(self, fn):
+                win = self.mdi_area.activeSubWindow()
+                if win:
+                        try:
+                                fn(win.view)
+                        except:
+                                pass
+
         def Find(self):
                 win = self.mdi_area.activeSubWindow()
                 if win:
@@ -2772,12 +2780,10 @@ class MainWindow(QMainWindow):
                                 pass
 
         def ShrinkFont(self):
-                win = self.mdi_area.activeSubWindow()
-                ShrinkFont(win.view)
+                self.Try(ShrinkFont)
 
         def EnlargeFont(self):
-                win = self.mdi_area.activeSubWindow()
-                EnlargeFont(win.view)
+                self.Try(EnlargeFont)
 
         def EventMenu(self, events, reports_menu):
                 branches_events = 0