Re: [PATCH] net: hso: register netdev later to avoid a race condition

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH] net: hso: register netdev later to avoid a race condition
Date	2017-04-28 22:20 +0200
Message-ID	<tBkwW-45D-9@gated-at.bofh.it> (permalink)
References	<tAyVj-5kn-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Andreas Kemnade <andreas@kemnade.info>
Date: Wed, 26 Apr 2017 19:26:40 +0200

> If the netdev is accessed before the urbs are initialized,
> there will be NULL pointer dereferences. That is avoided by
> registering it when it is fully initialized.
> 
> This case occurs e.g. if dhcpcd is running in the background
> and the device is probed, either after insmod hso or
> when the device appears on the usb bus.
> 
> A backtrace is the following:
 ...
> Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>

Applied, thanks.

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[PATCH] net: hso: register netdev later to avoid a race condition Andreas Kemnade <andreas@kemnade.info> - 2017-04-26 19:30 +0200
  Re: [PATCH] net: hso: register netdev later to avoid a race condition Johan Hovold <johan@kernel.org> - 2017-04-27 10:50 +0200
    Re: [PATCH] net: hso: register netdev later to avoid a race  condition Andreas Kemnade <andreas@kemnade.info> - 2017-04-28 19:40 +0200
      Re: [PATCH] net: hso: register netdev later to avoid a race condition Johan Hovold <johan@kernel.org> - 2017-04-28 21:10 +0200
  Re: [PATCH] net: hso: register netdev later to avoid a race  condition David Miller <davem@davemloft.net> - 2017-04-28 22:20 +0200

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