hda-analyzer: fix no command condition

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/hda-analyzer/hda_analyzer.py b/hda-analyzer/hda_analyzer.py
index 818cdc35b9d9a4efc0c8eedf3ea260ebfc91fdf4..384df6284c0605a0d93bbd7fdc2801251c0e58e0 100755 (executable)
--- a/hda-analyzer/hda_analyzer.py
+++ b/hda-analyzer/hda_analyzer.py
@@ -1002,6 +1002,7 @@ def monitor():
     sleep(1)
 
 def main(argv):
+  cmd = None
   if len(argv) > 1 and argv[1] in ('-h', '-help', '--help'):
     print __doc__ % globals()
     return 0