snapshot: Ensure that pointer it always reset

Even if something else keeps holding a reference to the snapshot.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/libpakfire/snapshot.c b/src/libpakfire/snapshot.c
index cdd12210ae20e0d9bfab99e13a0e0f8ddb71df1b..9117582756e01689ff1a3a2425848ac03b9cdfbc 100644 (file)
--- a/src/libpakfire/snapshot.c
+++ b/src/libpakfire/snapshot.c
@@ -586,7 +586,8 @@ int pakfire_snapshot_clean(struct pakfire* pakfire) {
                        goto ERROR;
 
                // Free the snapshot
-               snapshot = pakfire_snapshot_unref(snapshot);
+               pakfire_snapshot_unref(snapshot);
+               snapshot = NULL;
        }
 
 ERROR: