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btrfs: remove redundant error check

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While running btrfs_mksubvol(), d_really_is_positive() is called twice.
First in btrfs_mksubvol() and second inside btrfs_may_create().  So I
remove the first one.

Signed-off-by: Byongho Lee <bhlee.kernel@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Byongho Lee 2016-01-27 19:11:53 +09:00 committed by David Sterba
parent 0138b6fe8f
commit ac1407ba24
1 changed files with 0 additions and 4 deletions
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4
fs/btrfs/ioctl.c
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@ -844,10 +844,6 @@ static noinline int btrfs_mksubvol(struct path *parent,
if (IS_ERR(dentry))
goto out_unlock;
error = -EEXIST;
if (d_really_is_positive(dentry))
goto out_dput;
error = btrfs_may_create(dir, dentry);
if (error)
goto out_dput;