tree 31381e563681f4ac8a70d3a77b0134d829724dc3
parent 306efdd109f086b19d849f1ec0f9104c9fdb3444
author Senthil Balasubramanian <senthilkumar@atheros.com> 1226579468 +0530
committer John W. Linville <linville@tuxdriver.com> 1227649291 -0500

ath9k: Race condition in accessing TX and RX buffers.

Race condition causes RX buffers to be accessed even before it is
initialized. The RX and TX buffers are initialized immediately after
the hardware is registered with mac80211. The mac80211 start callback
is ready to be fired once the device is registered for a case when the
wpa_supplicant is also running at the same time.

The same race condition is also possible for RKFILL registration
as RFKILL init happens after the device registration with mac80211
and it is possible that rfkill_register would be called even before
it is initialized.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>