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| author | Jiri Slaby <jslaby@suse.cz> | 2011-11-09 21:33:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-15 15:52:43 -0800 |
| commit | 1411dc4aa21d364f40ed363c8e715939c15f57c2 (patch) | |
| tree | d57e3515e4f286bfaee5b39c4fe8823c335245c2 /drivers/tty/tty_io.c | |
| parent | e30f867d402d6dcc2d03d8dd5da3863f7c83572a (diff) | |
| download | linux-1411dc4aa21d364f40ed363c8e715939c15f57c2.tar.gz linux-1411dc4aa21d364f40ed363c8e715939c15f57c2.tar.xz linux-1411dc4aa21d364f40ed363c8e715939c15f57c2.zip | |
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/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 15 |
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(¤t->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(¤t->sighand->siglock); put_pid(current->signal->tty_old_pgrp); |