[PATCH] 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

Is this a known problem?

Hi, ALL, I have a Dell Laptop which has a Broadcom wireless device in it. It is a dual-boot system with Windows XP/Gentoo. This is the result of lspci: 0b:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) This is the system name: IgorsGentooOnNetwork buildGTK # uname