From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konstantin Khlebnikov Subject: [PATCH 10/12] mac802154: fix destructon ordering for ieee802154 devices Date: Fri, 14 Dec 2012 15:03:03 +0400 Message-ID: <20121214110303.11019.41133.stgit@zurg> References: <20121214110229.11019.63713.stgit@zurg> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Dmitry Eremin-Solenikov , netdev@vger.kernel.org, Alexander Smirnov , "David S. Miller" , linux-zigbee-devel@lists.sourceforge.net To: linux-kernel@vger.kernel.org Return-path: In-Reply-To: <20121214110229.11019.63713.stgit@zurg> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org mutex_destroy() must be called before wpan_phy_free(), because it puts the last reference and frees memory. Catched as overwritten poison in kmalloc-2048. Signed-off-by: Konstantin Khlebnikov Cc: Alexander Smirnov Cc: Dmitry Eremin-Solenikov Cc: David S. Miller Cc: linux-zigbee-devel@lists.sourceforge.net Cc: netdev@vger.kernel.org --- net/mac802154/ieee802154_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c index e748aed..b7c7f81 100644 --- a/net/mac802154/ieee802154_dev.c +++ b/net/mac802154/ieee802154_dev.c @@ -224,9 +224,9 @@ void ieee802154_free_device(struct ieee802154_dev *hw) BUG_ON(!list_empty(&priv->slaves)); - wpan_phy_free(priv->phy); - mutex_destroy(&priv->slaves_mtx); + + wpan_phy_free(priv->phy); } EXPORT_SYMBOL(ieee802154_free_device);