tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: cfattach lwp (was: pseudoify cgd)

On Sat, Jan 02, 2010 at 02:47:53PM -0600, David Young wrote:
> On Sat, Jan 02, 2010 at 12:09:14AM +0100, Jan Danielsson wrote:
> >    However, cgd_ioctl_clr() calls vn_close(), which needs credentials
> > from an lwp structure. In the context of cgd_detach(), I don't see what
> > lwp to use.
> Use curlwp->l_cred.

Does it make any sense for vn_close() to fail due to incorrect
credentials ?

Anything that actually verifies credentials surely needs to be given
'sys_cred' (or whatever that has become) in order to avoid failure.


David Laight:

Home | Main Index | Thread Index | Old Index