tree 4ecbf9e03f1b150f3b91be22ffaaac37dae34c4b
parent a7959c1394d4126a70a53b914ce4105f5173d0aa
author Larry Finger <Larry.Finger@lwfinger.net> 1332776900 -0500
committer John W. Linville <linville@tuxdriver.com> 1334170905 -0400

rtlwifi: Add missing DMA buffer unmapping for PCI drivers

In https://bugzilla.kernel.org/show_bug.cgi?id=42976, a system with driver
rtl8192se used as an AP suffers from "Out of SW-IOMMU space" errors. These
are caused by the DMA buffers used for beacons never being unmapped.

This bug was also reported at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/961618

Reported-and-Tested-by: Da Xue <da@lessconfused.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>