commit | 47f86834bbd4193139d61d659bebf9ab9d691e37 | [log] [tgz] |
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author | Alan Cox <alan@lxorguk.ukuu.org.uk> | Wed Apr 30 00:53:30 2008 -0700 |
committer | Linus Torvalds <torvalds@linux-foundation.org> | Wed Apr 30 08:29:40 2008 -0700 |
tree | 6724b07e24929eba5c6df31f07871d9d6b4aa296 | |
parent | 04f378b198da233ca0aca341b113dc6579d46123 [diff] |
redo locking of tty->pgrp Historically tty->pgrp and friends were pid_t and the code "knew" they were safe. The change to pid structs opened up a few races and the removal of the BKL in places made them quite hittable. We put tty->pgrp under the ctrl_lock for the tty. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>