From: Greg KH <gregkh@linuxfoundation.org>
To: Johan Hovold <johan@kernel.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Ji-Ze Hong <hpeter@gmail.com>
Subject: Re: [PATCH] USB: serial: f81534: fix division by zero on line-speed change
Date: Wed, 30 Nov 2022 12:09:29 +0100 [thread overview]
Message-ID: <Y4c56VLgznt3Xo7C@kroah.com> (raw)
In-Reply-To: <20221129141819.15310-1-johan@kernel.org>
On Tue, Nov 29, 2022 at 03:18:19PM +0100, Johan Hovold wrote:
> The driver leaves the line speed unchanged in case a requested speed is
> not supported. Make sure to handle the case where the current speed is
> B0 (hangup) without dividing by zero when determining the clock source.
>
> Fixes: 3aacac02f385 ("USB: serial: f81534: add high baud rate support")
> Cc: stable@vger.kernel.org # 4.16
> Cc: Ji-Ze Hong (Peter Hong) <hpeter@gmail.com>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
prev parent reply other threads:[~2022-11-30 11:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-29 14:18 [PATCH] USB: serial: f81534: fix division by zero on line-speed change Johan Hovold
2022-11-30 11:09 ` Greg KH [this message]
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