[PATCH] do_tty_hangup: Use group_send_sig_info notsend_group_sig_info.

[Eric W. Biederman]

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@xxxxxxxxxxxx>


---

 drivers/char/tty_io.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

b4634b339062085cc463041341a662d2d41c78b8
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index da9ed47..1d83cd5 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1075,8 +1075,8 @@ 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);
-- 
1.1.5.g3480

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