homework: explicitly close cryptsetup context, to not keep loopback device busy

The cryptsetup context pins the loop device even after deactivation.
Let's explicitly release the context to make sure the subsequent
loopback device detaching works cleanly.

diff --git a/src/home/homework-luks.c b/src/home/homework-luks.c
index fea00091f6217b93308fc7b3ad841de898f164b8..d97fcbe07a48ace5b7ce99978c58123dad9cad34 100644 (file)
--- a/src/home/homework-luks.c
+++ b/src/home/homework-luks.c
@@ -2166,6 +2166,9 @@ int home_create_luks(
                 goto fail;
         }
 
+        crypt_free(cd);
+        cd = NULL;
+
         dm_activated = false;
 
         loop = loop_device_unref(loop);