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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-12-14 01:03:03 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-14 13:14:07 -0500 |
| commit | 1e9f954516ee03251e0ac2e98cad2e4be6ce9958 (patch) | |
| tree | 883f6df1483f8d48dd1ad18f62a06e0d52099df1 /net/mac802154 | |
| parent | cfb6f99dd9629ec7759b78cff51d9bf7eedf105a (diff) | |
| download | linux-1e9f954516ee03251e0ac2e98cad2e4be6ce9958.tar.gz linux-1e9f954516ee03251e0ac2e98cad2e4be6ce9958.tar.bz2 linux-1e9f954516ee03251e0ac2e98cad2e4be6ce9958.zip | |
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c index e748aed290aa..b7c7f815deae 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); |