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| author | Larry Finger <Larry.Finger@lwfinger.net> | 2012-03-26 10:48:20 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-22 16:21:22 -0700 |
| commit | 2586dcec57d8334c5c2f313d840d27148de4e9a3 (patch) | |
| tree | 76a68ab202d11eedb977773dd802a921062e04a1 /arch/arm | |
| parent | ce74858434b4f13e7f6cd7c5f17071be9ac9fa04 (diff) | |
| download | lwn-2586dcec57d8334c5c2f313d840d27148de4e9a3.tar.gz lwn-2586dcec57d8334c5c2f313d840d27148de4e9a3.zip | |
rtlwifi: Add missing DMA buffer unmapping for PCI drivers
commit 673f7786e205c87b5d978c62827b9a66d097bebb upstream.
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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm')
0 files changed, 0 insertions, 0 deletions