linux-kernel - [PATCH] staging: dgnc: convert to wait_event_interruptible

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Message-ID: <20151224135458.GA353@IND12F0122>
Date:	Thu, 24 Dec 2015 13:54:12 +0000
From:	"Gujulan Elango, Hari Prasath (H.)" <hgujulan@...teon.com>
To:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"lidza.louina@...il.com" <lidza.louina@...il.com>,
	"markh@...pro.net" <markh@...pro.net>,
	"driverdev-devel@...uxdriverproject.org" 
	<driverdev-devel@...uxdriverproject.org>
CC:	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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@...teon.com>
---
 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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