On Wed, 08 Aug 2012 09:58:40 +0200
Stanislav Kozina [off-list ref] wrote:

Alan,

I am not sure if you got my last email, so I'm resending it now:

 > I am very sorry, but I don't see it. We didn't held the lock while 
calling tty_audit_push() before, and we don't hold it after the patch 
neither.
 > So what's the locking scheme change here? Is there some binding 
between n_tty_read() and tty_audit_push() I just don't see?

No - looking at it again you are right, the lock is still dropped during
the audit call.

Alan