tty: release_one_tty() forgets to put pids
authorOleg Nesterov <oleg@redhat.com>
Fri, 2 Apr 2010 16:05:12 +0000 (18:05 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 3 Apr 2010 02:44:09 +0000 (19:44 -0700)
commit6da8d866d0d39e9509ff826660f6a86a6757c966
tree1d8637ba7ef67ac3df8a67cc59c79551575e25da
parent483f64c430ad981188d865ee635f3f7a469f0b12
tty: release_one_tty() forgets to put pids

release_one_tty(tty) can be called when tty still has a reference
to pgrp/session. In this case we leak the pid.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-and-tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/char/tty_io.c