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authorMichael Buesch <mb@bu3sch.de>2010-01-24 13:13:32 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-25 16:36:28 -0500
commit96869a39399269a776a94812e9fff3d38b47d838 (patch)
tree3e799868a0d686922bf09f4115df0f558ca82a06 /drivers/xen
parent658965107e2a45a1a4297cb494adc55797dd9ad1 (diff)
b43: Workaround circular locking in hw-tkip key update callback
The TKIP key update callback is called from the RX path, where the driver mutex is already locked. This results in a circular locking bug. Avoid this by removing the lock. Johannes noted that there is a separate bug: The callback still breaks on SDIO hardware, because SDIO hardware access needs to sleep, but we are not allowed to sleep in the callback due to mac80211's RCU locking. Signed-off-by: Michael Buesch <mb@bu3sch.de> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-by: kecsa@kutfo.hit.bme.hu Cc: Johannes Berg <johannes@sipsolutions.net> Cc: stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/xen')
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