btrfs: rename error to ret in btrfs_mksubvol()

Unify naming of return value to the preferred way.

Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a2450766a503bac288ede8ea060fb93d5e28d8f8..aa8cefadf4239f07db4946d8323020446253efa1 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -903,28 +903,27 @@ static noinline int btrfs_mksubvol(const struct path *parent,
        struct btrfs_fs_info *fs_info = inode_to_fs_info(dir);
        struct dentry *dentry;
        struct fscrypt_str name_str = FSTR_INIT((char *)name, namelen);
-       int error;
+       int ret;
 
-       error = down_write_killable_nested(&dir->i_rwsem, I_MUTEX_PARENT);
-       if (error == -EINTR)
-               return error;
+       ret = down_write_killable_nested(&dir->i_rwsem, I_MUTEX_PARENT);
+       if (ret == -EINTR)
+               return ret;
 
        dentry = lookup_one(idmap, &QSTR_LEN(name, namelen), parent->dentry);
-       error = PTR_ERR(dentry);
+       ret = PTR_ERR(dentry);
        if (IS_ERR(dentry))
                goto out_unlock;
 
-       error = btrfs_may_create(idmap, dir, dentry);
-       if (error)
+       ret = btrfs_may_create(idmap, dir, dentry);
+       if (ret)
                goto out_dput;
 
        /*
         * even if this name doesn't exist, we may get hash collisions.
         * check for them now when we can safely fail
         */
-       error = btrfs_check_dir_item_collision(BTRFS_I(dir)->root,
-                                              dir->i_ino, &name_str);
-       if (error)
+       ret = btrfs_check_dir_item_collision(BTRFS_I(dir)->root, dir->i_ino, &name_str);
+       if (ret)
                goto out_dput;
 
        down_read(&fs_info->subvol_sem);
@@ -933,11 +932,11 @@ static noinline int btrfs_mksubvol(const struct path *parent,
                goto out_up_read;
 
        if (snap_src)
-               error = create_snapshot(snap_src, dir, dentry, readonly, inherit);
+               ret = create_snapshot(snap_src, dir, dentry, readonly, inherit);
        else
-               error = create_subvol(idmap, dir, dentry, inherit);
+               ret = create_subvol(idmap, dir, dentry, inherit);
 
-       if (!error)
+       if (!ret)
                fsnotify_mkdir(dir, dentry);
 out_up_read:
        up_read(&fs_info->subvol_sem);
@@ -945,7 +944,7 @@ out_dput:
        dput(dentry);
 out_unlock:
        btrfs_inode_unlock(BTRFS_I(dir), 0);
-       return error;
+       return ret;
 }
 
 static noinline int btrfs_mksnapshot(const struct path *parent,