K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2007-07-03T17:46:37.000000Z
K 7
svn:log
V 333
Lock Giant and proctree lock around dereferencing p_session->s_ttyvp->v_rdev.
Lock cdev mutex too to close the race with tty being freed.
Relock clone_drain_lock to prevent the LOR with proctree lock, thus
add #include <fs/devfs/devfs_int.h>.

Suggested by:	tegge
Debugging help and testing by:	Peter Holm
Approved by:	re (kensmith)

END