D_VALIDATE(9) The Linux VFS D_VALIDATE(9)
NAME d_validate - verify dentry provided from insecure source (deprecated)
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.
This function is slow for big directories, and deprecated, do not use it.
COPYRIGHT Kernel Hackers Manual 2.6. April 2016 D_VALIDATE(9)