Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:47094 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750895Ab3DXElC (ORCPT ); Wed, 24 Apr 2013 00:41:02 -0400 From: Sasha Levin To: johannes@sipsolutions.net Cc: martin.pitt@ubuntu.com, linville@tuxdriver.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dcbw@redhat.com, Sasha Levin Subject: [PATCH] mac80211_hwsim: correctly register the platform driver Date: Wed, 24 Apr 2013 00:40:05 -0400 Message-Id: <1366778405-7584-1-git-send-email-sasha.levin@oracle.com> (sfid-20130424_064128_611379_C38060A4) Sender: linux-wireless-owner@vger.kernel.org List-ID: Not registering a platform_driver would make us access garbage when the platform callbacks under driver_register() kicks in. Signed-off-by: Sasha Levin --- drivers/net/wireless/mac80211_hwsim.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index b878a32..cb34c78 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1723,11 +1723,11 @@ static void mac80211_hwsim_free(void) class_destroy(hwsim_class); } - -static struct device_driver mac80211_hwsim_driver = { - .name = "mac80211_hwsim", - .bus = &platform_bus_type, - .owner = THIS_MODULE, +static struct platform_driver mac80211_hwsim_driver = { + .driver = { + .name = "mac80211_hwsim", + .owner = THIS_MODULE, + }, }; static const struct net_device_ops hwsim_netdev_ops = { @@ -2219,7 +2219,7 @@ static int __init init_mac80211_hwsim(void) spin_lock_init(&hwsim_radio_lock); INIT_LIST_HEAD(&hwsim_radios); - err = driver_register(&mac80211_hwsim_driver); + err = platform_driver_register(&mac80211_hwsim_driver); if (err) return err; @@ -2254,7 +2254,7 @@ static int __init init_mac80211_hwsim(void) err = -ENOMEM; goto failed_drvdata; } - data->dev->driver = &mac80211_hwsim_driver; + data->dev->driver = &mac80211_hwsim_driver.driver; err = device_bind_driver(data->dev); if (err != 0) { printk(KERN_DEBUG @@ -2564,7 +2564,7 @@ failed_drvdata: failed: mac80211_hwsim_free(); failed_unregister_driver: - driver_unregister(&mac80211_hwsim_driver); + platform_driver_unregister(&mac80211_hwsim_driver); return err; } module_init(init_mac80211_hwsim); @@ -2577,6 +2577,6 @@ static void __exit exit_mac80211_hwsim(void) mac80211_hwsim_free(); unregister_netdev(hwsim_mon); - driver_unregister(&mac80211_hwsim_driver); + platform_driver_unregister(&mac80211_hwsim_driver); } module_exit(exit_mac80211_hwsim); -- 1.8.2.1