linux-kernel - Re: [PATCH] Bluetooth: btusb: fix non-atomic allocation in completion handler

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Message-Id: <1083B04A-190D-4573-84A3-0F86AD6B5E6C@holtmann.org>
Date:   Thu, 28 Nov 2019 19:28:18 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Bluez mailing list <linux-bluetooth@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        linux-mediatek@...ts.infradead.org,
        stable <stable@...r.kernel.org>,
        Sean Wang <sean.wang@...iatek.com>
Subject: Re: [PATCH] Bluetooth: btusb: fix non-atomic allocation in completion
 handler

Hi Johan,

> USB completion handlers are called in atomic context and must
> specifically not allocate memory using GFP_KERNEL.
> 
> Fixes: a1c49c434e15 ("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices")
> Cc: stable <stable@...r.kernel.org>     # 5.3
> Cc: Sean Wang <sean.wang@...iatek.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>
> ---
> drivers/bluetooth/btusb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel