NAME
d_validate - verify dentry provided from insecure source
SYNOPSIS
int d_validate (struct dentry * dentry, struct dentry * dparent);
ARGUMENTS
dentry The dentry alleged to be valid child of dparent
dparent
The parent dentry (known to be valid)
DESCRIPTION
An insecure source has sent us a dentry, here we verify it and dget it.
This is used by ncpfs in its readdir implementation. Zero is returned
in the dentry is invalid.