[PATCH] staging: dgnc: convert to wait_event_interruptible_timeout

[Gujulan Elango, Hari Prasath (H.)]

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@xxxxxxxxxxx>
---
 drivers/staging/dgnc/dgnc_neo.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 39c76e7..7d9efe0 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -1306,10 +1306,8 @@ 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;
-- 
1.9.1
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