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[PATCH] do_tty_hangup: use group_send_sig_info not send_group_sig_info 

We already have the tasklist_lock so there is no need for us to reacquire it
with send_group_sig_info.  reader/writer locks allow multiple readers and thus
recursion so the old code was ok just wastful.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Eric W. Biederman 2006-03-28 16:11:01 -08:00 committed by Linus Torvalds
parent 6c99c5cb94
commit f96a795d4f
1 changed files with 2 additions and 2 deletions
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4
drivers/char/tty_io.c
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@ -1094,8 +1094,8 @@ static void do_tty_hangup(void *data)
p->signal->tty = NULL;
if (!p->signal->leader)
continue;
send_group_sig_info(SIGHUP, SEND_SIG_PRIV, p);
send_group_sig_info(SIGCONT, SEND_SIG_PRIV, p);
group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p);
group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p);
if (tty->pgrp > 0)
p->signal->tty_old_pgrp = tty->pgrp;
} while_each_task_pid(tty->session, PIDTYPE_SID, p);