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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2012-12-14 01:03:03 +0000
committerDavid S. Miller <davem@davemloft.net>2012-12-14 13:14:07 -0500
commit1e9f954516ee03251e0ac2e98cad2e4be6ce9958 (patch)
tree883f6df1483f8d48dd1ad18f62a06e0d52099df1 /net/mac802154
parentcfb6f99dd9629ec7759b78cff51d9bf7eedf105a (diff)
downloadlinux-1e9f954516ee03251e0ac2e98cad2e4be6ce9958.tar.gz
mac802154: fix destructon ordering for ieee802154 devices
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 <khlebnikov@openvz.org> Cc: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: linux-zigbee-devel@lists.sourceforge.net Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac802154')
-rw-r--r--net/mac802154/ieee802154_dev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c
index e748aed290a..b7c7f815dea 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);