linux-kernel - [PATCH 5/27] [media] usbvision: Use setup

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Message-Id: <1419604558-29743-6-git-send-email-Julia.Lawall@lip6.fr>
Date:	Fri, 26 Dec 2014 15:35:36 +0100
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Hans Verkuil <hverkuil@...all.nl>
Cc:	kernel-janitors@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/27] [media] usbvision: Use setup_timer

Convert a call to init_timer and accompanying intializations of
the timer's data and function fields to a call to setup_timer.

A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression t,f,d;
@@

-init_timer(&t);
+setup_timer(&t,f,d);
-t.data = d;
-t.function = f;
// </smpl>

The semantic patch also changes the cast to long to a cast to unsigned
long in the data initializer, as unsigned long is the type of the data field.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/media/usb/usbvision/usbvision-core.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c
index 302aa07..64c63d3 100644
--- a/drivers/media/usb/usbvision/usbvision-core.c
+++ b/drivers/media/usb/usbvision/usbvision-core.c
@@ -2194,9 +2194,8 @@ static void usbvision_power_off_timer(unsigned long data)
 
 void usbvision_init_power_off_timer(struct usb_usbvision *usbvision)
 {
-	init_timer(&usbvision->power_off_timer);
-	usbvision->power_off_timer.data = (long)usbvision;
-	usbvision->power_off_timer.function = usbvision_power_off_timer;
+	setup_timer(&usbvision->power_off_timer, usbvision_power_off_timer,
+		    (unsigned long)usbvision);
 }
 
 void usbvision_set_power_off_timer(struct usb_usbvision *usbvision)

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