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authorPeter Hurley <peter@hurleysoftware.com>2014-10-16 22:59:45 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-06 03:26:13 +0300
commit5b239542207d83687489a22e6dd93ffef1ad9eb9 (patch)
tree040f182e92689cad6f921ecfc4c67299c432aba7 /drivers/tty/tty_io.c
parent8a8a55105dd2857743dc4f7097f28a6cb2e696ee (diff)
downloadlinux-5b239542207d83687489a22e6dd93ffef1ad9eb9.tar.xz
tty: Replace open-coded tty_get_pgrp()
Replace open-coded instances of tty_get_pgrp(). Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Reviewed-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 3d71642b18ad..6bf5f44d215e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2324,18 +2324,14 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg)
int tty_do_resize(struct tty_struct *tty, struct winsize *ws)
{
struct pid *pgrp;
- unsigned long flags;
/* Lock the tty */
mutex_lock(&tty->winsize_mutex);
if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
goto done;
- /* Get the PID values and reference them so we can
- avoid holding the tty ctrl lock while sending signals */
- spin_lock_irqsave(&tty->ctrl_lock, flags);
- pgrp = get_pid(tty->pgrp);
- spin_unlock_irqrestore(&tty->ctrl_lock, flags);
+ /* Signal the foreground process group */
+ pgrp = tty_get_pgrp(tty);
if (pgrp)
kill_pgrp(pgrp, SIGWINCH, 1);
put_pid(pgrp);