twister: change serial option existence verification

Modify serial and serial_pty option availability verification in DTU object in device_is_available method to avoid situation when empty string passed as serial in hardware_map.yaml cause hang up Twister in this place. Fixes: zephyrproject-rtos#41169 Signed-off-by: Piotr Golyzniak <[email protected]>
gopiotr · Mar 18, 2022 · 4e10883 · 4e10883
1 parent ffdc621
commit 4e10883
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scripts/pylib/twister/twisterlib.py b/scripts/pylib/twister/twisterlib.py
@@ -698,7 +698,7 @@ def device_is_available(self, instance):
         for d in self.suite.duts:
             if fixture and fixture not in d.fixtures:
                 continue
-            if d.platform != device or not (d.serial or d.serial_pty):
+            if d.platform != device or (d.serial is None and d.serial_pty is None):
                 continue
             d.lock.acquire()
             avail = False