Fix crash if b43 is not loaded.

Signed-off-by: Michael Buesch <mb@bu3sch.de>

diff --git a/debug/libb43.py b/debug/libb43.py
index 671ad2c6f173a141bb2bbffa984c6200f5c929e4..e5c563823a5f67aea30587a22e0eabab063358fb 100644 (file)
--- a/debug/libb43.py
+++ b/debug/libb43.py
@@ -71,7 +71,11 @@ class B43:
                        b43_path += phy
                else:
                        # Get the PHY.
-                       phys = os.listdir(b43_path)
+                       try:
+                               phys = os.listdir(b43_path)
+                       except OSError:
+                               print "Could not find B43's debugfs directory: %s" % b43_path
+                               raise B43Exception
                        if not phys:
                                print "Could not find any b43 device"
                                raise B43Exception