linux-kernel - [PATCH v2 1/2] watchdog: introduce watchdog_worker_should

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Date:   Mon, 12 Dec 2016 10:17:52 +0100
From:   Rasmus Villemoes <rasmus.villemoes@...vas.dk>
To:     Wim Van Sebroeck <wim@...ana.be>,
        Guenter Roeck <linux@...ck-us.net>
CC:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        <linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/2] watchdog: introduce watchdog_worker_should_ping helper

This will be useful when the condition becomes slightly more
complicated in the next patch.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
---
 drivers/watchdog/watchdog_dev.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 32930a0..ca0a000 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -192,6 +192,11 @@ static int watchdog_ping(struct watchdog_device *wdd)
 	return __watchdog_ping(wdd);
 }
 
+static bool watchdog_worker_should_ping(struct watchdog_device *wdd)
+{
+	return wdd && (watchdog_active(wdd) || watchdog_hw_running(wdd));
+}
+
 static void watchdog_ping_work(struct work_struct *work)
 {
 	struct watchdog_core_data *wd_data;
@@ -202,7 +207,7 @@ static void watchdog_ping_work(struct work_struct *work)
 
 	mutex_lock(&wd_data->lock);
 	wdd = wd_data->wdd;
-	if (wdd && (watchdog_active(wdd) || watchdog_hw_running(wdd)))
+	if (watchdog_worker_should_ping(wdd))
 		__watchdog_ping(wdd);
 	mutex_unlock(&wd_data->lock);
 }
-- 
2.7.4