From: Greg KH <gregkh@linuxfoundation.org>
To: Johan Hovold <johan@kernel.org>
Cc: linux-usb@vger.kernel.org, stable <stable@vger.kernel.org>,
Felipe Balbi <balbi@kernel.org>
Subject: Re: [PATCH 2/5] USB: serial: ir-usb: fix link-speed handling
Date: Wed, 22 Jan 2020 14:24:50 +0100 [thread overview]
Message-ID: <20200122132450.GA3580@kroah.com> (raw)
In-Reply-To: <20200122101530.29176-3-johan@kernel.org>
On Wed, Jan 22, 2020 at 11:15:27AM +0100, Johan Hovold wrote:
> Commit e0d795e4f36c ("usb: irda: cleanup on ir-usb module") added a USB
> IrDA header with common defines, but mistakingly switched to using the
> class-descriptor baud-rate bitmask values for the outbound header.
>
> This broke link-speed handling for rates above 9600 baud, but a device
> would also be able to operate at the default 9600 baud until a
> link-speed request was issued (e.g. using the TCGETS ioctl).
People still use this driver/hardware? And this wasn't found until now?
wow...
> Fixes: e0d795e4f36c ("usb: irda: cleanup on ir-usb module")
> Cc: stable <stable@vger.kernel.org> # 2.6.27
> Cc: Felipe Balbi <balbi@kernel.org>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2020-01-22 13:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 10:15 [PATCH 0/5] USB: serial: ir-usb fixes and cleanups Johan Hovold
2020-01-22 10:15 ` [PATCH 1/5] USB: serial: ir-usb: add missing endpoint sanity check Johan Hovold
2020-01-22 13:25 ` Greg KH
2020-01-22 10:15 ` [PATCH 2/5] USB: serial: ir-usb: fix link-speed handling Johan Hovold
2020-01-22 13:24 ` Greg KH [this message]
2020-01-22 13:35 ` Johan Hovold
2020-01-22 10:15 ` [PATCH 3/5] USB: serial: ir-usb: fix IrLAP framing Johan Hovold
2020-01-22 13:25 ` Greg KH
2020-01-22 13:37 ` Johan Hovold
2020-01-22 10:15 ` [PATCH 4/5] USB: serial: ir-usb: make set_termios synchronous Johan Hovold
2020-01-22 13:26 ` Greg KH
2020-01-22 10:15 ` [PATCH 5/5] USB: serial: ir-usb: simplify endpoint check Johan Hovold
2020-01-22 13:26 ` Greg KH
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