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simplify btrfs_lookup()

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d_splice_alias() is fine with ERR_PTR(-E...) for inode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-10-10 16:38:27 -04:00
parent 8300807f9e
commit 3837d208d8
1 changed files with 3 additions and 9 deletions
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12
fs/btrfs/inode.c
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@ -5807,16 +5807,10 @@ static int btrfs_dentry_delete(const struct dentry *dentry)
static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
struct inode *inode;
inode = btrfs_lookup_dentry(dir, dentry);
if (IS_ERR(inode)) {
if (PTR_ERR(inode) == -ENOENT)
inode = NULL;
else
return ERR_CAST(inode);
}
struct inode *inode = btrfs_lookup_dentry(dir, dentry);
if (inode == ERR_PTR(-ENOENT))
inode = NULL;
return d_splice_alias(inode, dentry);
}