linux-kernel - Re: [PATCH] can: ucan: fix non-atomic allocation in completion handler

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Message-ID: <6bb1865a-ecfd-6fb4-0621-0fa2c7693aec@pengutronix.de>
Date:   Tue, 3 Dec 2019 11:07:46 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Johan Hovold <johan@...nel.org>,
        Wolfgang Grandegger <wg@...ndegger.com>
Cc:     linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable <stable@...r.kernel.org>,
        Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>,
        Martin Elshuber <martin.elshuber@...obroma-systems.com>,
        Philipp Tomsich <philipp.tomsich@...obroma-systems.com>
Subject: Re: [PATCH] can: ucan: fix non-atomic allocation in completion
 handler

On 11/28/19 7:26 PM, Johan Hovold wrote:
> USB completion handlers are called in atomic context and must
> specifically not allocate memory using GFP_KERNEL.
> 
> Fixes: 9f2d3eae88d2 ("can: ucan: add driver for Theobroma Systems UCAN devices")
> Cc: stable <stable@...r.kernel.org>     # 4.19
> Cc: Jakob Unterwurzacher <jakob.unterwurzacher@...obroma-systems.com>
> Cc: Martin Elshuber <martin.elshuber@...obroma-systems.com>
> Cc: Philipp Tomsich <philipp.tomsich@...obroma-systems.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>

Added to linux-can.

tnx,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
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