The lock is held, we make the same lookup that previously failed with
EEXIST and we don't insert NULL pointers.
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/reada.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index fe068b197fc1..95d526af3fba 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -393,7 +393,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
ret = radix_tree_insert(&fs_info->reada_tree, index, re);
if (ret == -EEXIST) {
re_exist = radix_tree_lookup(&fs_info->reada_tree, index);
- BUG_ON(!re_exist);
re_exist->refcnt++;
spin_unlock(&fs_info->reada_lock);
btrfs_dev_replace_unlock(&fs_info->dev_replace, 0);
--
2.10.1
--
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