repo: Don't call g_hash_table_destroy on a NULL hash

diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index 1ba63244c3495740f5e05e2451f229c79eb9ff69..f87bd33c4f197dbf2c467d0549cbc93b5584fde5 100644 (file)
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1197,9 +1197,12 @@ import_directory_recurse (OstreeRepo           *self,
   g_clear_object (&dir_enum);
   g_clear_object (&child);
   g_clear_object (&child_info);
-  g_hash_table_destroy (file_checksums);
-  g_hash_table_destroy (dir_metadata_checksums);
-  g_hash_table_destroy (dir_contents_checksums);
+  if (file_checksums)
+    g_hash_table_destroy (file_checksums);
+  if (dir_metadata_checksums)
+    g_hash_table_destroy (dir_metadata_checksums);
+  if (dir_contents_checksums)
+    g_hash_table_destroy (dir_contents_checksums);
   ot_clear_checksum (&ret_metadata_checksum);
   ot_clear_checksum (&ret_contents_checksum);
   ot_clear_checksum (&child_file_checksum);