Merge pull request #1947 from cgwalters/more-scan-build-2

More scan build 2

src/libostree/ostree-repo-commit.c

@@ -1588,7 +1588,6 @@ ostree_repo_prepare_transaction (OstreeRepo     *self,
                                  GCancellable   *cancellable,
                                  GError        **error)
 {
-  g_autoptr(_OstreeRepoAutoTransaction) txn = NULL;
   guint64 reserved_bytes = 0;
 
   g_return_val_if_fail (self->in_transaction == FALSE, FALSE);
@@ -1596,7 +1595,8 @@ ostree_repo_prepare_transaction (OstreeRepo     *self,
   g_debug ("Preparing transaction in repository %p", self);
 
   /* Set up to abort the transaction if we return early from this function. */
-  txn = self;
+  g_autoptr(_OstreeRepoAutoTransaction) txn = self;
+  (void) txn; /* Add use to silence static analysis */
 
   memset (&self->txn.stats, 0, sizeof (OstreeRepoTransactionStats));
 
@@ -1652,7 +1652,7 @@ ostree_repo_prepare_transaction (OstreeRepo     *self,
     return FALSE;
 
   /* Success: do not abort the transaction when returning. */
-  txn = NULL;
+  txn = NULL; (void) txn;
 
   if (out_transaction_resume)
     *out_transaction_resume = ret_transaction_resume;

src/libostree/ostree-repo-pull.c

@@ -2181,7 +2181,6 @@ static void
 start_fetch (OtPullData *pull_data,
              FetchObjectData *fetch)
 {
-  gboolean is_meta;
   g_autofree char *obj_subpath = NULL;
   guint64 *expected_max_size_p;
   guint64 expected_max_size;
@@ -2190,13 +2189,12 @@ start_fetch (OtPullData *pull_data,
   GPtrArray *mirrorlist = NULL;
 
   ostree_object_name_deserialize (fetch->object, &expected_checksum, &objtype);
-  is_meta = OSTREE_OBJECT_TYPE_IS_META (objtype);
 
   g_debug ("starting fetch of %s.%s%s", expected_checksum,
            ostree_object_type_to_string (objtype),
            fetch->is_detached_meta ? " (detached)" : "");
 
-  is_meta = OSTREE_OBJECT_TYPE_IS_META (objtype);
+  gboolean is_meta = OSTREE_OBJECT_TYPE_IS_META (objtype);
   if (is_meta)
     pull_data->n_outstanding_metadata_fetches++;
   else