linux-kernel - [PATCH] Input: serio: Convert timers to use timer

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Message-ID: <20171024141845.GA78031@beast>
Date:   Tue, 24 Oct 2017 07:18:45 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Helge Deller <deller@....de>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] Input: serio: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Helge Deller <deller@....de>
Cc: linux-input@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/input/serio/hp_sdc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 8eef6849d066..1d7c7d81a5ef 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -794,7 +794,7 @@ int hp_sdc_release_cooked_irq(hp_sdc_irqhook *callback)
 
 /************************* Keepalive timer task *********************/
 
-static void hp_sdc_kicker(unsigned long data)
+static void hp_sdc_kicker(struct timer_list *unused)
 {
 	tasklet_schedule(&hp_sdc.task);
 	/* Re-insert the periodic task. */
@@ -909,9 +909,8 @@ static int __init hp_sdc_init(void)
 	down(&s_sync); /* Wait for t_sync to complete */
 
 	/* Create the keepalive task */
-	init_timer(&hp_sdc.kicker);
+	timer_setup(&hp_sdc.kicker, hp_sdc_kicker, 0);
 	hp_sdc.kicker.expires = jiffies + HZ;
-	hp_sdc.kicker.function = &hp_sdc_kicker;
 	add_timer(&hp_sdc.kicker);
 
 	hp_sdc.dev_err = 0;
-- 
2.7.4


-- 
Kees Cook
Pixel Security