linux-kernel - [PATCH 26/58] move meth's probe function to .devinit.text

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Date:	Sat, 28 Mar 2009 00:26:47 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Jeff Garzik <jgarzik@...hat.com>,
	Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH 26/58] move meth's probe function to .devinit.text

A pointer to meth_probe is passed to the core via
platform_driver_register and so the function must not disappear when the
.init sections are discarded.  Otherwise (if also having HOTPLUG=y)
unbinding and binding a device to the driver via sysfs will result in an
oops as does a device being registered late.

An alternative to this patch is using platform_driver_probe instead of
platform_driver_register plus removing the pointer to the probe function
from the struct platform_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: David S. Miller <davem@...emloft.net>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Christoph Lameter <cl@...ux-foundation.org>
Cc: Jeff Garzik <jgarzik@...hat.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 drivers/net/meth.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/meth.c b/drivers/net/meth.c
index c336a1f..8947129 100644
--- a/drivers/net/meth.c
+++ b/drivers/net/meth.c
@@ -775,7 +775,7 @@ static int meth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 /*
  * The init function.
  */
-static int __init meth_probe(struct platform_device *pdev)
+static int __devinit meth_probe(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct meth_private *priv;
-- 
1.6.2

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