aboutsummaryrefslogtreecommitdiff
path: root/lib/radix-tree.c
diff options
context:
space:
mode:
authorDmitry Torokhov <[email protected]>2020-01-31 17:42:33 -0800
committerDmitry Torokhov <[email protected]>2020-01-31 17:42:33 -0800
commitb19efcabb587e5470a423ef778905f47e5a47f1a (patch)
tree8863c2233ed8a30d55c4e4029a98c3d7faf359a8 /lib/radix-tree.c
parent996d5d5f89a558a3608a46e73ccd1b99f1b1d058 (diff)
parentc5ccf2ad3d33413fee06ae87d0b970d8cc540db6 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.6 merge window.
Diffstat (limited to 'lib/radix-tree.c')
-rw-r--r--lib/radix-tree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 18c1dfbb1765..c8fa1d274530 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -1529,7 +1529,7 @@ void __rcu **idr_get_free(struct radix_tree_root *root,
offset = radix_tree_find_next_bit(node, IDR_FREE,
offset + 1);
start = next_index(start, node, offset);
- if (start > max)
+ if (start > max || start == 0)
return ERR_PTR(-ENOSPC);
while (offset == RADIX_TREE_MAP_SIZE) {
offset = node->offset + 1;