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make simple_lookup() usable for filesystems that set ->s_d_op

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-07-14 17:43:25 +04:00
parent ec193cf5af
commit 74931da7a6
1 changed files with 2 additions and 1 deletions
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3
fs/libfs.c
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@ -61,7 +61,8 @@ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, unsigned
if (dentry->d_name.len > NAME_MAX)
return ERR_PTR(-ENAMETOOLONG);
d_set_d_op(dentry, &simple_dentry_operations);
if (!dentry->d_sb->s_d_op)
d_set_d_op(dentry, &simple_dentry_operations);
d_add(dentry, NULL);
return NULL;
}