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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-04-30 00:53:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:40 -0700
commit5d0fdf1e01899805b6c2c0b789a707dcb731b1ea (patch)
tree19827c7b3cf365c0b403741ead6c7bc317cad51b /fs/proc
parent575537b3248ee9b7578a3bb3df33fcdda2bfc4d5 (diff)
tty_io: fix remaining pid struct locking
This fixes the last couple of pid struct locking failures I know about. [oleg@tv-sign.ru: clean up do_task_stat()] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/array.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index b07a71002f2..c135cbdd912 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -429,7 +429,9 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
struct signal_struct *sig = task->signal;
if (sig->tty) {
- tty_pgrp = pid_nr_ns(sig->tty->pgrp, ns);
+ struct pid *pgrp = tty_get_pgrp(sig->tty);
+ tty_pgrp = pid_nr_ns(pgrp, ns);
+ put_pid(pgrp);
tty_nr = new_encode_dev(tty_devnum(sig->tty));
}