siggen: Fix file variable typo in compare_sigfiles

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/lib/bb/siggen.py b/lib/bb/siggen.py
index 0862cff78a2be09f07fe5204d0b8c996cb01fb1b..3a7dac4cb77d14c5d94ec1c4288a62ed19fb4aea 100644 (file)
--- a/lib/bb/siggen.py
+++ b/lib/bb/siggen.py
@@ -367,7 +367,7 @@ def compare_sigfiles(a, b, recursecb = None):
     output = []
 
     with open(a, 'rb') as f:
-        p1 = pickle.Unpickler(ff)
+        p1 = pickle.Unpickler(f)
         a_data = p1.load()
     with open(b, 'rb') as f:
         p2 = pickle.Unpickler(f)