9p: make sure ->lookup() adds fid to the right dentry

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-02-28 01:29:48 -05:00
parent 7b5be62199
commit a3b2157e72

View file

@ -824,7 +824,6 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
p9_client_clunk(fid);
return ERR_CAST(inode);
}
v9fs_fid_add(dentry, fid);
/*
* If we had a rename on the server and a parallel lookup
* for the new name, then make sure we instantiate with
@ -833,7 +832,11 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
* k/b.
*/
res = d_materialise_unique(dentry, inode);
if (IS_ERR(res))
if (!res)
v9fs_fid_add(dentry, fid);
else if (!IS_ERR(res))
v9fs_fid_add(res, fid);
else
p9_client_clunk(fid);
return res;
}