push2: null handle on failed open

diff --git a/libs/surfaces/push2/push2.cc b/libs/surfaces/push2/push2.cc
index 3fb5b6c372dbc8efbcee7686f5e68d3193082226..6700687ac2b9667701a7e7bc4bf807840af2c87d 100644 (file)
--- a/libs/surfaces/push2/push2.cc
+++ b/libs/surfaces/push2/push2.cc
@@ -241,6 +241,7 @@ Push2::open ()
                error << _("Cannot construct Canvas for display") << endmsg;
                libusb_release_interface (handle, 0x00);
                libusb_close (handle);
+               handle = 0;
                return -1;
        }