camsys_drv : v0.f.0

[firefly-linux-kernel-4.4.55.git] / lib / btree.c

diff --git a/lib/btree.c b/lib/btree.c
index 297124d4d8da081785e9f5a4f4ce11d3dd706da7..f9a484676cb6a8e4782333ce164bf0662b583b78 100644 (file)
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -357,6 +357,7 @@ miss:
        }
        return NULL;
 }
+EXPORT_SYMBOL_GPL(btree_get_prev);
 
 static int getpos(struct btree_geo *geo, unsigned long *node,
                unsigned long *key)
@@ -508,6 +509,7 @@ retry:
 int btree_insert(struct btree_head *head, struct btree_geo *geo,
                unsigned long *key, void *val, gfp_t gfp)
 {
+       BUG_ON(!val);
        return btree_insert_level(head, geo, key, val, 1, gfp);
 }
 EXPORT_SYMBOL_GPL(btree_insert);