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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2020-08-07 16:41:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2020-08-07 16:41:01 -0700
commit9e8238020c5beba64e7ffafbb7ea0fb02fe68270 (patch)
tree37c7fd953cfa7ebd3d6c476bc4c7d4de2302cdc3 /include/linux/xarray.h
parenta50ca29523b18baea548bdf5df9b4b923c2bb4f6 (diff)
parentd862a3068ea593dc904ef524d8548467755ce36f (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.9 merge window.
Diffstat (limited to 'include/linux/xarray.h')
-rw-r--r--include/linux/xarray.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index f73e1775ded0..14c893433139 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -32,8 +32,8 @@
* The following internal entries have a special meaning:
*
* 0-62: Sibling entries
- * 256: Zero entry
- * 257: Retry entry
+ * 256: Retry entry
+ * 257: Zero entry
*
* Errors are also represented as internal entries, but use the negative
* space (-4094 to -2). They're never stored in the slots array; only
@@ -1648,6 +1648,7 @@ static inline void *xas_next_marked(struct xa_state *xas, unsigned long max,
xa_mark_t mark)
{
struct xa_node *node = xas->xa_node;
+ void *entry;
unsigned int offset;
if (unlikely(xas_not_node(node) || node->shift))
@@ -1659,7 +1660,10 @@ static inline void *xas_next_marked(struct xa_state *xas, unsigned long max,
return NULL;
if (offset == XA_CHUNK_SIZE)
return xas_find_marked(xas, max, mark);
- return xa_entry(xas->xa, node, offset);
+ entry = xa_entry(xas->xa, node, offset);
+ if (!entry)
+ return xas_find_marked(xas, max, mark);
+ return entry;
}
/*