linux-kernel - [PATCH 08/31] timer: Remove users of TIMER

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Date:   Thu, 31 Aug 2017 16:29:20 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Subject: [PATCH 08/31] timer: Remove users of TIMER_INITIALIZER

Drops the last user of TIMER_INITIALIZER and adapts timer.h to use the
internal version.

Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/char/tlclk.c  | 7 +++----
 include/linux/timer.h | 2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 572a51704e67..f01efaa46f8e 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -185,8 +185,7 @@ static int int_events;		/* Event that generate a interrupt */
 static int got_event;		/* if events processing have been done */
 
 static void switchover_timeout(unsigned long data);
-static struct timer_list switchover_timer =
-	TIMER_INITIALIZER(switchover_timeout , 0, 0);
+static struct timer_list switchover_timer;
 static unsigned long tlclk_timer_data;
 
 static struct tlclk_alarms *alarm_events;
@@ -805,7 +804,8 @@ static int __init tlclk_init(void)
 		goto out3;
 	}
 
-	init_timer(&switchover_timer);
+	setup_timer(&switchover_timer, switchover_timeout,
+		    (unsigned long)&tlclk_timer_data);
 
 	ret = misc_register(&tlclk_miscdev);
 	if (ret < 0) {
@@ -922,7 +922,6 @@ static irqreturn_t tlclk_interrupt(int irq, void *dev_id)
 		/* TIMEOUT in ~10ms */
 		switchover_timer.expires = jiffies + msecs_to_jiffies(10);
 		tlclk_timer_data = inb(TLCLK_REG1);
-		switchover_timer.data = (unsigned long) &tlclk_timer_data;
 		mod_timer(&switchover_timer, switchover_timer.expires);
 	} else {
 		got_event = 1;
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 491dfdda4acf..3f54800962aa 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -87,7 +87,7 @@ struct timer_list {
 
 #define DEFINE_TIMER(_name, _function, _expires, _data)		\
 	struct timer_list _name =				\
-		TIMER_INITIALIZER(_function, _expires, _data)
+		__TIMER_INITIALIZER(_function, _expires, _data, 0)
 
 void init_timer_key(struct timer_list *timer, unsigned int flags,
 		    const char *name, struct lock_class_key *key);
-- 
2.7.4