1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8f1d44ba332f..228cf36ece83 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2824,6 +2824,7 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
 
         spin_lock(&delayed_refs->lock);
         if (delayed_refs->num_entries == 0) {
+                spin_unlock(&delayed_refs->lock);
                 printk(KERN_INFO "delayed_refs has NO entry\n");
                 return ret;
         }
@@ -3057,7 +3058,7 @@ static int btrfs_cleanup_transaction(struct btrfs_root *root)
                 btrfs_destroy_pinned_extent(root,
                                             root->fs_info->pinned_extents);
 
-                t->use_count = 0;
+                atomic_set(&t->use_count, 0);
                 list_del_init(&t->list);
                 memset(t, 0, sizeof(*t));
                 kmem_cache_free(btrfs_transaction_cachep, t);