From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Johan Hovold <johan@kernel.org>, Mathias Nyman <mathias.nyman@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH] USB: xhci: dbc: fix tty registration race
Date: Thu, 30 Sep 2021 12:24:10 +0300 [thread overview]
Message-ID: <87c08115-06e0-6734-887a-7ae4e97fe5ab@linux.intel.com> (raw)
In-Reply-To: <20210928120400.20704-1-johan@kernel.org>
On 28.9.2021 15.04, Johan Hovold wrote:
> Make sure to allocate resources before registering the tty device to
> avoid having a racing open() and write() fail to enable rx or
> dereference a NULL pointer when accessing the uninitialised fifo.
>
> Fixes: dfba2174dc42 ("usb: xhci: Add DbC support in xHCI driver")
> Cc: stable@vger.kernel.org # 4.16
> Cc: Lu Baolu <baolu.lu@linux.intel.com>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Thanks, adding to queue
-Mathias
prev parent reply other threads:[~2021-09-30 9:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 12:04 [PATCH] USB: xhci: dbc: fix tty registration race Johan Hovold
2021-09-30 9:24 ` Mathias Nyman [this message]
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