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path: root/drivers/tty/tty_ldisc.c
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Diffstat (limited to 'drivers/tty/tty_ldisc.c')
-rw-r--r--drivers/tty/tty_ldisc.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 4214d58276f..0fc564a9770 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -34,8 +34,6 @@
#include <linux/vt_kern.h>
#include <linux/selection.h>
-#include <linux/smp_lock.h> /* For the moment */
-
#include <linux/kmod.h>
#include <linux/nsproxy.h>
@@ -535,6 +533,19 @@ static int tty_ldisc_halt(struct tty_struct *tty)
}
/**
+ * tty_ldisc_flush_works - flush all works of a tty
+ * @tty: tty device to flush works for
+ *
+ * Sync flush all works belonging to @tty.
+ */
+static void tty_ldisc_flush_works(struct tty_struct *tty)
+{
+ flush_work_sync(&tty->hangup_work);
+ flush_work_sync(&tty->SAK_work);
+ flush_delayed_work_sync(&tty->buf.work);
+}
+
+/**
* tty_ldisc_wait_idle - wait for the ldisc to become idle
* @tty: tty to wait for
*
@@ -653,7 +664,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
mutex_unlock(&tty->ldisc_mutex);
- flush_scheduled_work();
+ tty_ldisc_flush_works(tty);
retval = tty_ldisc_wait_idle(tty);
@@ -905,7 +916,7 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty)
tty_unlock();
tty_ldisc_halt(tty);
- flush_scheduled_work();
+ tty_ldisc_flush_works(tty);
tty_lock();
mutex_lock(&tty->ldisc_mutex);