linux-kernel - RE: [PATCH v2 2/2] RDMA/core: Initialize port_num in qp

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Date:   Wed, 19 Jul 2017 08:09:48 +0000
From:   "Kalderon, Michal" <Michal.Kalderon@...ium.com>
To:     "Marciniszyn, Mike" <mike.marciniszyn@...el.com>,
        "Ismail, Mustafa" <mustafa.ismail@...el.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "dledford@...hat.com" <dledford@...hat.com>
CC:     "swise@...ngridcomputing.com" <swise@...ngridcomputing.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "e1000-rdma@...ts.sourceforge.net" <e1000-rdma@...ts.sourceforge.net>,
        "Saleem, Shiraz" <shiraz.saleem@...el.com>,
        "Amrani, Ram" <Ram.Amrani@...ium.com>
Subject: RE: [PATCH v2 2/2] RDMA/core: Initialize port_num in qp_attr

> From: linux-rdma-owner@...r.kernel.org [mailto:linux-rdma-
> owner@...r.kernel.org] On Behalf Of Marciniszyn, Mike
> > Initialize the port_num for iWARP in rdma_init_qp_attr.
> >
> > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds")
> > Cc: <stable@...r.kernel.org> # v2.6.14+
> > Reviewed-by: Steve Wise <swise@...ngridcomputing.com>
> > Signed-off-by: Mustafa Ismail <mustafa.ismail@...el.com>
> 
Why is the second patch required if you only validate the port_num if the IB_QP_PORT mask is on? 
Given the first patch [PATCH v2 1/2] RDMA/uverbs: Fix the check for port number, this one seems
redundant. 

Thanks,
Michal