staging: dgnc: convert to wait_event_interruptible_timeout

This patch makes use of wait_event_interruptible_timeout to achieve
timeout functionality.This is a TODO mentiond in the comment which is also
removed.It also aligns with what the function is supposed to do as in the
comments.

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 39c76e7..ee3155b 100644 (file)
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -1306,10 +1306,10 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
        /*
         * Go to sleep waiting for the tty layer to wake me back up when
         * the empty flag goes away.
-        *
-        * NOTE: TODO: Do something with time passed in.
         */
-       rc = wait_event_interruptible(un->un_flags_wait, ((un->un_flags & UN_EMPTY) == 0));
+       rc = wait_event_interruptible_timeout(un->un_flags_wait,
+                                             ((un->un_flags & UN_EMPTY) == 0),
+                                             msecs_to_jiffies(seconds * 1000));
 
        /* If ret is non-zero, user ctrl-c'ed us */
        return rc;