btrfs: kill pointless reassignment of ->s_fs_info in btrfs_fill_super()

We do not (fortunately) modify ->s_fs_info of superblock on the fly in
btrfs_fill_super(); apparent assignment is a no-op.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 5 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 56e007fd6702..a381f9f9b0c2 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -588,8 +588,8 @@ static int btrfs_fill_super(struct super_block *sb,
 {
         struct inode *inode;
         struct dentry *root_dentry;
-        struct btrfs_root *tree_root;
-        struct btrfs_fs_info *fs_info;
+        struct btrfs_root *tree_root = sb->s_fs_info;
+        struct btrfs_fs_info *fs_info = tree_root->fs_info;
         struct btrfs_key key;
         int err;
 
@@ -609,9 +609,6 @@ static int btrfs_fill_super(struct super_block *sb,
                 printk("btrfs: open_ctree failed\n");
                 return err;
         }
-        tree_root = sb->s_fs_info;
-        fs_info = tree_root->fs_info;
-        sb->s_fs_info = tree_root;
 
         key.objectid = BTRFS_FIRST_FREE_OBJECTID;
         key.type = BTRFS_INODE_ITEM_KEY;