linux-kernel - Re: [PATCH 2/2] USB: cdc-acm: fix break reporting

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Message-ID: <b4d332bf-de58-f0a5-c403-429b1c67af1b@suse.com>
Date:   Thu, 30 Sep 2021 11:05:21 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Johan Hovold <johan@...nel.org>, Oliver Neukum <oneukum@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH 2/2] USB: cdc-acm: fix break reporting


On 29.09.21 11:09, Johan Hovold wrote:
> A recent change that started reporting break events forgot to push the
> event to the line discipline, which meant that a detected break would
> not be reported until further characters had been receive (the port
> could even have been closed and reopened in between).
>
> Fixes: 08dff274edda ("cdc-acm: fix BREAK rx code path adding necessary calls")
> Cc: stable@...r.kernel.org
> Signed-off-by: Johan Hovold <johan@...nel.org>
Acked-by: Oliver Neukum <oneukum@...e.com>