ACK: [SRU][F][PATCH 0/1] Fix instability in connecting to network with mt76

[Kai-Heng Feng]

On Fri, Dec 18, 2020 at 5:14 PM Shrirang Bagul
<shrirang.bagul at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/1906770
>
> [Impact]
> Instability in connecting to WiFi AP with Netgear A6210 USB adapter
> and other adapters supported with mt76 mediatek driver (Mediatek MT7612U)
> chipsets
>
> [Fix]
> The current ampdu locking code does not unlock its mutex in the early
> return case. This patch fixes it.
>
> [Testing]
> Verified by users by installing a test kernel built with this patch applied
> on top of Ubuntu-5.4.0-59.65
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906770/comments/16
>
> [Where problems could occur]
> The patch is a clean cherry-pick from an upstream submission. It fixes the
> instability in MediaTek mt76 driver introduced by commit -
> 03db30eca2ae mt76: add missing locking around ampdu action
>
> This patch is unlikely to cause any regression.

Acked-by: Kai-Heng Feng <kai.heng.feng at canonical.com>

>
> Markus Theil (1):
>   mt76: fix fix ampdu locking
>
>  drivers/net/wireless/mediatek/mt76/mt7603/main.c  | 6 ++++--
>  drivers/net/wireless/mediatek/mt76/mt7615/main.c  | 6 ++++--
>  drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 6 ++++--
>  3 files changed, 12 insertions(+), 6 deletions(-)
>
> --
> 2.25.1
>
>
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