linux-kernel - [PATCH] pcmcia: m32r: Convert timers to use timer

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Message-ID: <20171016232753.GA101176@beast>
Date:   Mon, 16 Oct 2017 16:27:53 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] pcmcia: m32r: 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: Andrew Morton <akpm@...ux-foundation.org>
Cc: Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc: linux-pcmcia@...ts.infradead.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/pcmcia/m32r_cfc.c | 7 ++-----
 drivers/pcmcia/m32r_pcc.c | 7 ++-----
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c
index 70b089430fcc..9a4940e56e2f 100644
--- a/drivers/pcmcia/m32r_cfc.c
+++ b/drivers/pcmcia/m32r_cfc.c
@@ -380,11 +380,10 @@ static irqreturn_t pcc_interrupt(int irq, void *dev)
 	return IRQ_RETVAL(handled);
 } /* pcc_interrupt */
 
-static void pcc_interrupt_wrapper(u_long data)
+static void pcc_interrupt_wrapper(struct timer_list *unused)
 {
 	pr_debug("m32r_cfc: pcc_interrupt_wrapper:\n");
 	pcc_interrupt(0, NULL);
-	init_timer(&poll_timer);
 	poll_timer.expires = jiffies + poll_interval;
 	add_timer(&poll_timer);
 }
@@ -758,9 +757,7 @@ static int __init init_m32r_pcc(void)
 
 	/* Finally, schedule a polling interrupt */
 	if (poll_interval != 0) {
-		poll_timer.function = pcc_interrupt_wrapper;
-		poll_timer.data = 0;
-		init_timer(&poll_timer);
+		timer_setup(&poll_timer, pcc_interrupt_wrapper, 0);
 		poll_timer.expires = jiffies + poll_interval;
 		add_timer(&poll_timer);
 	}
diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c
index e50bbf826188..c2239a7e383a 100644
--- a/drivers/pcmcia/m32r_pcc.c
+++ b/drivers/pcmcia/m32r_pcc.c
@@ -386,10 +386,9 @@ static irqreturn_t pcc_interrupt(int irq, void *dev)
 	return IRQ_RETVAL(handled);
 } /* pcc_interrupt */
 
-static void pcc_interrupt_wrapper(u_long data)
+static void pcc_interrupt_wrapper(struct timer_list *unused)
 {
 	pcc_interrupt(0, NULL);
-	init_timer(&poll_timer);
 	poll_timer.expires = jiffies + poll_interval;
 	add_timer(&poll_timer);
 }
@@ -729,9 +728,7 @@ static int __init init_m32r_pcc(void)
 
 	/* Finally, schedule a polling interrupt */
 	if (poll_interval != 0) {
-		poll_timer.function = pcc_interrupt_wrapper;
-		poll_timer.data = 0;
-		init_timer(&poll_timer);
+		timer_setup(&poll_timer, pcc_interrupt_wrapper, 0);
 		poll_timer.expires = jiffies + poll_interval;
 		add_timer(&poll_timer);
 	}
-- 
2.7.4


-- 
Kees Cook
Pixel Security