Update upstream source from tag 'upstream/4.7'

Update to upstream version '4.7'
with Debian dir d3e11463c915e5c39507206197eb3acd42bb8f5f

1 files changed, 2 insertions, 0 deletions

diff --git a/src/map.c b/src/map.c
index 6d89e36..a90a731 100644
--- a/src/map.c
+++ b/src/map.c
@@ -102,6 +102,8 @@ static void HXrbtree_free(struct HXrbtree *btree)
 
 EXPORT_SYMBOL void HXmap_free(struct HXmap *xmap)
 {
+	if (xmap == NULL)
+		return;
 	void *vmap = xmap;
 	const struct HXmap_private *map = vmap;