lib: Ensure SA that root cannot be NULL

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

diff --git a/lib/yang.c b/lib/yang.c
index 6a8e5223a09cbf4e8978a5459a1d51d0786fb535..6c1aed00cc7b89d1aa61900d0bbec23d9e0f6cb2 100644 (file)
--- a/lib/yang.c
+++ b/lib/yang.c
@@ -1398,8 +1398,10 @@ LY_ERR yang_lyd_trim_xpath(struct lyd_node **root, const char *xpath)
                }
        }
        darr_foreach_i (remove, i) {
-               if (remove[i] == *root)
+               if (remove[i] == *root) {
+                       assert(*root);
                        *root = (*root)->next;
+               }
                lyd_free_tree(remove[i]);
        }
        darr_free(remove);