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authorDmitry Shmidt <dimitrysh@google.com>2016-08-01 15:51:01 -0700
committerDmitry Shmidt <dimitrysh@google.com>2016-08-01 15:57:55 -0700
commitb558f17a13b10761eb6f838e713425b9e83f8a01 (patch)
tree425828a423411d6c65e5b18a3330d244eef987b0 /lib/radix-tree.c
parent818aa36ea868ba8f2985f9ca0906fd9cba3e437d (diff)
parentb05965f284db3e086022f4e318e46cb5bffb1376 (diff)
Merge tag 'v4.4.16' into android-4.4.y
This is the 4.4.16 stable release Change-Id: Ibaf7b7e03695e1acebc654a2ca1a4bfcc48fcea4
Diffstat (limited to 'lib/radix-tree.c')
-rw-r--r--lib/radix-tree.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index fcf5d98574ce..6b79e9026e24 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -1019,9 +1019,13 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
return 0;
radix_tree_for_each_slot(slot, root, &iter, first_index) {
- results[ret] = indirect_to_ptr(rcu_dereference_raw(*slot));
+ results[ret] = rcu_dereference_raw(*slot);
if (!results[ret])
continue;
+ if (radix_tree_is_indirect_ptr(results[ret])) {
+ slot = radix_tree_iter_retry(&iter);
+ continue;
+ }
if (++ret == max_items)
break;
}
@@ -1098,9 +1102,13 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results,
return 0;
radix_tree_for_each_tagged(slot, root, &iter, first_index, tag) {
- results[ret] = indirect_to_ptr(rcu_dereference_raw(*slot));
+ results[ret] = rcu_dereference_raw(*slot);
if (!results[ret])
continue;
+ if (radix_tree_is_indirect_ptr(results[ret])) {
+ slot = radix_tree_iter_retry(&iter);
+ continue;
+ }
if (++ret == max_items)
break;
}