Restartable sequences: ARM 32 architecture support

[deliverable/linux.git] / lib / radix-tree.c

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 1b7bf73141418f5f1427b14e806c9a9d4c6e7582..91f0727e3cada11bd721afdeeb112dd196546637 100644 (file)
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -105,10 +105,10 @@ static unsigned int radix_tree_descend(struct radix_tree_node *parent,
 
 #ifdef CONFIG_RADIX_TREE_MULTIORDER
        if (radix_tree_is_internal_node(entry)) {
-               unsigned long siboff = get_slot_offset(parent, entry);
-               if (siboff < RADIX_TREE_MAP_SIZE) {
-                       offset = siboff;
-                       entry = rcu_dereference_raw(parent->slots[offset]);
+               if (is_sibling_entry(parent, entry)) {
+                       void **sibentry = (void **) entry_to_node(entry);
+                       offset = get_slot_offset(parent, sibentry);
+                       entry = rcu_dereference_raw(*sibentry);
                }
        }
 #endif