1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index b37ef1f06b3d..356ee485be4b 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1721,8 +1721,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
                  */
                 timeout = jiffies + HZ;
                 while (!(info->lsr & UART_LSR_TEMT)) {
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(20);
+                        schedule_timeout_interruptible(20);
                         if (time_after(jiffies,timeout))
                                 break;
                 }