siggen: Add missing reset handler to hashserv signature generator

When we have a client connection, we should close that connection when reset()
is called on the siggen. Add the missing function.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/bb/siggen.py b/lib/bb/siggen.py
index ff6b24ccd..1612b4efa 100644
--- a/lib/bb/siggen.py
+++ b/lib/bb/siggen.py
@@ -492,6 +492,12 @@ class SignatureGeneratorUniHashMixIn(object):
             self._client = hashserv.create_client(self.server)
         return self._client
 
+    def reset(self, data):
+        if getattr(self, '_client', None) is not None:
+            self._client.close()
+            self._client = None 
+        return super().reset(data)
+
     def exit(self):
         if getattr(self, '_client', None) is not None:
             self._client.close()