> -----Original Message-----
> From: Leon Romanovsky [mailto:l...@kernel.org]
> Sent: Thursday, September 15, 2016 10:08 AM
> To: Salil Mehta
> Cc: dledf...@redhat.com; Huwei (Xavier); oulijun; Zhuangyuzeng (Yisen);
> xuwei (O); mehta.salil....@gmail.com; linux-r...@vger.kernel.org;
> linux-kernel@vger.kernel.org; Linuxarm; Huangdongdong (Donald)
> Subject: Re: [PATCH for-next 12/20] IB/hns: Return bad wr while post
> send failed
> 
> On Fri, Sep 09, 2016 at 06:30:43PM +0800, Salil Mehta wrote:
> > From: Lijun Ou <ouli...@huawei.com>
> >
> > While post failed, hns roce should return the wr failed to user.
> > We omitted this while qp type is wrong and fixed it.
> >
> > Signed-off-by: Lijun Ou <ouli...@huawei.com>
> > Signed-off-by: Dongdong Huang(Donald) <hdd.hu...@huawei.com>
> > Reviewed-by:  Wei Hu (Xavier) <xavier.hu...@huawei.com>
> > Signed-off-by: Salil Mehta <salil.me...@huawei.com>
> > ---
> >  drivers/infiniband/hw/hns/hns_roce_hw_v1.c |    6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> > index f4d2515..f0d6315 100644
> > --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> > +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> > @@ -264,8 +264,10 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp,
> struct ib_send_wr *wr,
> >                     }
> >                     ind++;
> >             } else {
> 
> You should move the check of supported QPs to the beginning of
> post_send
> and don't enter into the loop at all.
Hi Leon,
Agreed. I have made this change in floated V2 patch.

Thanks
Salil
> 
> > -                   dev_dbg(dev, "unSupported QP type\n");
> > -                   break;
> > +                   dev_err(dev, "unSupported QP type\n");
> 
> During initial review of hns driver, Lijun was asked to canonize debug
> messages and don't use different styles and especially sUcH case.
Ok. I have corrected for this instance in V2 patch.

Thanks
Salil
> 
> > +                   ret = -EOPNOTSUPP;
> > +                   *bad_wr = wr;
> 
> IMHO, the proper thing is to return NULL, because this is not wrong wr.
Ok. Done this change as well.

Thanks
Salil
> 
> > +                   goto out;
> >             }
> >     }
> >
> > --
> > 1.7.9.5
> >
> > --
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