Btrfs: small naming cleanup in join_transaction()

"root->fs_info" and "fs_info" are the same, but "fs_info" is prefered
because it is shorter and that's what is used in the rest of the
function.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8c35847d0fee..cb2dfe293947 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -100,8 +100,8 @@ loop:
                 kmem_cache_free(btrfs_transaction_cachep, cur_trans);
                 cur_trans = fs_info->running_transaction;
                 goto loop;
-        } else if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
-                spin_unlock(&root->fs_info->trans_lock);
+        } else if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+                spin_unlock(&fs_info->trans_lock);
                 kmem_cache_free(btrfs_transaction_cachep, cur_trans);
                 return -EROFS;
         }