linux-kernel - Re: [PATCH 1/5] IB/ehca: Prevent posting of SQ WQEs if QP not in RTS

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Date:	Mon, 21 Apr 2008 09:45:25 +0100
From:	Joachim Fenkes <fenkes@...ibm.com>
To:	"LinuxPPC-Dev" <linuxppc-dev@...abs.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"OF-General" <general@...ts.openfabrics.org>,
	Roland Dreier <rolandd@...co.com>,
	"OF-EWG" <ewg@...ts.openfabrics.org>,
	"Hoang-Nam Nguyen" <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Stefan Roscher <stefan.roscher@...ibm.com>
Subject: Re: [PATCH 1/5] IB/ehca: Prevent posting of SQ WQEs if QP not in RTS

On Monday 21 April 2008 10:04, Joachim Fenkes wrote:

> +	if (unlikely(my_qp->state != IB_QPS_RTS)) {
> +		ehca_err(qp->device, "QP not in RTS state  qpn=%x", qp->qp_num);
> +		return -EINVAL;
> +	}

Myself, I'm not very happy with using EINVAL, but I can't think of a more
fitting return code. Also, this is what nes, amso and cxgb3 return in such a
case; ipath posts an error CQE and mthca/mlx4 don't do this check at all
(AFAICS).

Better suggestions, anyone?

Regards,
  Joachim

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