b43legacy: Fix error due to MMIO access with SSB unpowered
authorLarry Finger <Larry.Finger@lwfinger.net>
Sun, 6 May 2012 21:01:05 +0000 (16:01 -0500)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 15 May 2012 21:27:59 +0000 (17:27 -0400)
commit8f4b20388fa77226a3605627a33a23f90d559e50
treeafcda9e4aec961a9421ce8afae977700d3000492
parentd8b3fc59f24c0e0e965efbb49be4199360125aa7
b43legacy: Fix error due to MMIO access with SSB unpowered

There is a dummy read of a PCI MMIO register that occurs before the SSB bus
has been powered, which is an error. This bug has not been seen earlier,
but was apparently exposed when udev was updated to version 182.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/b43legacy/main.c