linux-kernel - [PATCH 2/2] mISDN: use mod

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Message-Id: <1400699406-31294-2-git-send-email-manuel.schoelling@gmx.de>
Date:	Wed, 21 May 2014 21:10:06 +0200
From:	Manuel Schölling <manuel.schoelling@....de>
To:	isdn@...ux-pingi.de
Cc:	manuel.schoelling@....de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] mISDN: use mod_timer()

The code for resetting the timer can be simplified if mod_timer() is used
instead of del_timer() followed by add_timer().

Signed-off-by: Manuel Schölling <manuel.schoelling@....de>
---
 drivers/isdn/mISDN/l1oip_core.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index 1c2bc36..a4c6cc0 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -288,9 +288,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 
 	/* restart timer */
 	if (time_before(hc->keep_tl.expires - 5 * HZ, jiffies)) {
-		del_timer(&hc->keep_tl);
-		hc->keep_tl.expires = jiffies + L1OIP_KEEPALIVE * HZ;
-		add_timer(&hc->keep_tl);
+		mod_timer(&hc->keep_tl, jiffies + L1OIP_KEEPALIVE * HZ);
 	} else
 		hc->keep_tl.expires = jiffies + L1OIP_KEEPALIVE * HZ;
 
@@ -624,9 +622,7 @@ multiframe:
 	if (time_before(hc->timeout_tl.expires - 5 * HZ, jiffies)
 	    || !hc->timeout_on) {
 		hc->timeout_on = 1;
-		del_timer(&hc->timeout_tl);
-		hc->timeout_tl.expires = jiffies + L1OIP_TIMEOUT * HZ;
-		add_timer(&hc->timeout_tl);
+		mod_timer(&hc->timeout_tl, jiffies + L1OIP_TIMEOUT * HZ);
 	} else /* only adjust timer */
 		hc->timeout_tl.expires = jiffies + L1OIP_TIMEOUT * HZ;
 
-- 
1.7.10.4

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