From dbda4c0b97b18fd59b3964548361b4f92357f730 Mon Sep 17 00:00:00 2001 From: Alan Cox <alan@redhat.com> Date: Mon, 13 Oct 2008 10:40:53 +0100 Subject: tty: Fix abusers of current->sighand->tty Various people outside the tty layer still stick their noses in behind the scenes. We need to make sure they also obey the locking and referencing rules. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- kernel/acct.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/acct.c') diff --git a/kernel/acct.c b/kernel/acct.c index dd68b9059418..f6006a60df5d 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -548,7 +548,7 @@ static void do_acct_process(struct bsd_acct_struct *acct, #endif spin_lock_irq(¤t->sighand->siglock); - tty = current->signal->tty; + tty = current->signal->tty; /* Safe as we hold the siglock */ ac.ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0; ac.ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime))); ac.ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime))); -- cgit v1.2.1