tree 9113731d3f892c2e164bfd05a7cf1a4b1713a619
parent 216ba023a96c04e8d3aabf83d5931c35b6e2dbbb
author Alan Cox <alan@redhat.com> 1223890830 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1223916701 -0700

tty: the vhangup syscall is racy

We now have the infrastructure to sort this out but rather than teaching
the syscall tty lock rules we move the hard work into a tty helper

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>