X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Fxarray.c;h=39f07bfc4dccacd4da23f76bc0c553815728bee5;hb=4f82870119a46b0d04d91ef4697ac4977a255a9d;hp=2071a3718f4ed2d15a933aa633ecd955a0b53b41;hpb=4accdb9895349026d85e526036ff28c07921d7cf;p=platform%2Fkernel%2Flinux-rpi.git

diff --git a/lib/xarray.c b/lib/xarray.c
index 2071a37..39f07bf 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -206,7 +206,7 @@ static void *xas_descend(struct xa_state *xas, struct xa_node *node)
 	void *entry = xa_entry(xas->xa, node, offset);
 
 	xas->xa_node = node;
-	if (xa_is_sibling(entry)) {
+	while (xa_is_sibling(entry)) {
 		offset = xa_to_sibling(entry);
 		entry = xa_entry(xas->xa, node, offset);
 		if (node->shift && xa_is_node(entry))
@@ -1802,6 +1802,9 @@ EXPORT_SYMBOL(xa_get_order);
  * stores the index into the @id pointer, then stores the entry at
  * that index.  A concurrent lookup will not see an uninitialised @id.
  *
+ * Must only be operated on an xarray initialized with flag XA_FLAGS_ALLOC set
+ * in xa_init_flags().
+ *
  * Context: Any context.  Expects xa_lock to be held on entry.  May
  * release and reacquire xa_lock if @gfp flags permit.
  * Return: 0 on success, -ENOMEM if memory could not be allocated or
@@ -1850,6 +1853,9 @@ EXPORT_SYMBOL(__xa_alloc);
  * The search for an empty entry will start at @next and will wrap
  * around if necessary.
  *
+ * Must only be operated on an xarray initialized with flag XA_FLAGS_ALLOC set
+ * in xa_init_flags().
+ *
  * Context: Any context.  Expects xa_lock to be held on entry.  May
  * release and reacquire xa_lock if @gfp flags permit.
  * Return: 0 if the allocation succeeded without wrapping.  1 if the