From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] net: qualcomm: rmnet: Fix rcu splat in
 rmnet_is_real_dev_registered
Date: Sat, 23 Sep 2017 20:00:32 -0700 (PDT)
Message-ID: <20170923.200032.1587798983817298384.davem@davemloft.net>
References: <1506038436-4865-1-git-send-email-subashab@codeaurora.org>
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Cc: xiaolong.ye@intel.com, netdev@vger.kernel.org
To: subashab@codeaurora.org
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From: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Date: Thu, 21 Sep 2017 18:00:36 -0600

> Xiaolong reported a suspicious rcu_dereference_check in the device
> unregister notifier callback. Since we do not dereference the
> rx_handler_data, it's ok to just check for the value of the pointer.
> Note that this section is already protected by rtnl_lock.
 ...
> Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
> Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
> Reported-by: kernel test robot <xiaolong.ye@intel.com>

Applied, thank you.