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authorDave Airlie <airlied@redhat.com>2019-11-14 05:53:10 +1000
committerDave Airlie <airlied@redhat.com>2019-11-14 05:53:10 +1000
commit77e0723bd27f830d0903225372aa778fe2975648 (patch)
tree4c035783e014b3a0ac9174390f88dc75150533e4 /lib/radix-tree.c
parent3ca3a9eab7085b3c938b5d088c3020269cfecdc8 (diff)
parent31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff)
downloadlinux-77e0723bd27f830d0903225372aa778fe2975648.tar.bz2
Merge v5.4-rc7 into drm-next
We have the i915 security fixes to backmerge, but first let's clear the decks for other drivers to avoid a bigger mess. Signed-off-by: Dave Airlie <airlied@redhat.com>
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;