netdev - Re: [PATCH net-next 1/1] net/smc: check variable before dereferencing in smc

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Message-Id: <20200916.173439.1724773929942352474.davem@davemloft.net>
Date:   Wed, 16 Sep 2020 17:34:39 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kgraul@...ux.ibm.com
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        heiko.carstens@...ibm.com, raspl@...ux.ibm.com,
        ubraun@...ux.ibm.com
Subject: Re: [PATCH net-next 1/1] net/smc: check variable before
 dereferencing in smc_close.c

From: Karsten Graul <kgraul@...ux.ibm.com>
Date: Tue, 15 Sep 2020 22:57:09 +0200

> smc->clcsock and smc->clcsock->sk are used before the check if they can
> be dereferenced. Fix this by checking the variables first.
> 
> Fixes: a60a2b1e0af1 ("net/smc: reduce active tcp_listen workers")
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Karsten Graul <kgraul@...ux.ibm.com>

Applied, thank you.