netdev - RE: [PATCH net 2/2] net/smc: dev_put for netdev after usage of ib_query

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Date:   Tue, 10 Oct 2017 19:04:50 +0000
From:   Parav Pandit <parav@...lanox.com>
To:     Parav Pandit <parav@...lanox.com>,
        Ursula Braun <ubraun@...ux.vnet.ibm.com>,
        "davem@...emloft.net" <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "jwi@...ux.vnet.ibm.com" <jwi@...ux.vnet.ibm.com>,
        "schwidefsky@...ibm.com" <schwidefsky@...ibm.com>,
        "heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>,
        "raspl@...ux.vnet.ibm.com" <raspl@...ux.vnet.ibm.com>
Subject: RE: [PATCH net 2/2] net/smc: dev_put for netdev after usage of
 ib_query_gid()


> -----Original Message-----
> > For ROCEs ib_query_gid() takes a reference count on the net_device.
> > This reference count must be decreased by the caller.
> >
> > Signed-off-by: Ursula Braun <ubraun@...ux.vnet.ibm.com>
> Reported-by: Parav Pandit <parav@...lanox.com>
> 
Also add 'Fixes' line that introduced this bug.