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authorJiri Slaby <jslaby@suse.cz>2011-11-09 21:33:18 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-15 15:52:43 -0800
commit1411dc4aa21d364f40ed363c8e715939c15f57c2 (patch)
treed57e3515e4f286bfaee5b39c4fe8823c335245c2 /drivers/tty
parente30f867d402d6dcc2d03d8dd5da3863f7c83572a (diff)
TTY: move pgrp killing
Move it to the only branch where tty_pgrp may be set. This is only a cleanup which allows having tty_pgrp defined at that place. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/tty_io.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 05085beb83db..391cec3ce638 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -790,19 +790,24 @@ static void session_clear_tty(struct pid *session)
void disassociate_ctty(int on_exit)
{
struct tty_struct *tty;
- struct pid *tty_pgrp = NULL;
if (!current->signal->leader)
return;
tty = get_current_tty();
if (tty) {
- tty_pgrp = get_pid(tty->pgrp);
+ struct pid *tty_pgrp = get_pid(tty->pgrp);
if (on_exit) {
if (tty->driver->type != TTY_DRIVER_TYPE_PTY)
tty_vhangup(tty);
}
tty_kref_put(tty);
+ if (tty_pgrp) {
+ kill_pgrp(tty_pgrp, SIGHUP, on_exit);
+ if (!on_exit)
+ kill_pgrp(tty_pgrp, SIGCONT, on_exit);
+ put_pid(tty_pgrp);
+ }
} else if (on_exit) {
struct pid *old_pgrp;
spin_lock_irq(&current->sighand->siglock);
@@ -816,12 +821,6 @@ void disassociate_ctty(int on_exit)
}
return;
}
- if (tty_pgrp) {
- kill_pgrp(tty_pgrp, SIGHUP, on_exit);
- if (!on_exit)
- kill_pgrp(tty_pgrp, SIGCONT, on_exit);
- put_pid(tty_pgrp);
- }
spin_lock_irq(&current->sighand->siglock);
put_pid(current->signal->tty_old_pgrp);