wpaspy: Do not leave socket files behind if connection fails

Ctrl::__init__ needs to handle socket.connect() exceptions and unlink
the client socket file on failures.

Signed-hostap: Jouni Malinen <j@w1.fi>

wpaspy/wpaspy.py

@@ -22,7 +22,12 @@ class Ctrl:
         self.local = "/tmp/wpa_ctrl_" + str(os.getpid()) + '-' + str(counter)
         counter += 1
         self.s.bind(self.local)
+        try:
             self.s.connect(self.dest)
+        except Exception, e:
+            self.s.close()
+            os.unlink(self.local)
+            raise
         self.started = True
 
     def __del__(self):