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From: Markus Elfring <Markus.Elfring@web.de>
To: Aditya Pakki <pakki001@umn.edu>, linux-rdma@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
	Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@ziepe.ca>, Kangjie Lu <kjlu@umn.edu>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	Qiushi Wu <wu000273@umn.edu>
Subject: Re: [PATCH] RDMA/rvt: Improve exception handling in rvt_create_qp()
Date: Sat, 13 Jun 2020 07:15:12 +0000	[thread overview]
Message-ID: <5d99dfe5-67ed-00d2-c2da-77058fb770c6@web.de> (raw)

> … The patch fixes this issue by
> calling rvt_free_rq().

I suggest to choose another imperative wording for your change description.
Will the tag “Fixes” become helpful for the commit message?

…
> +++ b/drivers/infiniband/sw/rdmavt/qp.c
> @@ -1203,6 +1203,7 @@  struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
>  			qp->s_flags = RVT_S_SIGNAL_REQ_WR;
>  		err = alloc_ud_wq_attr(qp, rdi->dparms.node);
>  		if (err) {
> +			rvt_free_rq(&qp->r_rq);
>  			ret = (ERR_PTR(err));
>  			goto bail_driver_priv;
>  		}

How do you think about the following code variant with the addition
of a jump target?

 		err = alloc_ud_wq_attr(qp, rdi->dparms.node);
 		if (err) {
 			ret = (ERR_PTR(err));
-			goto bail_driver_priv;
+			goto bail_free_rq;
 		}

…

 bail_rq_wq:
-	rvt_free_rq(&qp->r_rq);
 	free_ud_wq_attr(qp);
+
+bail_free_rq:
+	rvt_free_rq(&qp->r_rq);

 bail_driver_priv:


Regards,
Markus

             reply	other threads:[~2020-06-13  7:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-13  7:15 Markus Elfring [this message]
2020-06-14  7:15 ` [PATCH] RDMA/rvt: Improve exception handling in rvt_create_qp() Greg KH
2020-06-14 18:18 ` Markus Elfring

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